• Application of diffuse reflectance spectroscopy for quick laboratory assessment of Estonian oil shale qualityTufail, Iram; Paris, Peeter; Jõgi, Indrek; Riisalu, HellaProceedings of the Estonian Academy of Sciences2020 / p. 134-142 : ill https://doi.org/10.3176/proc.2020.2.04 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85084190078&origin=inward&txGid=17fd351d74679806c8afdc7672e25be4 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000539733200005
• Applying the correction for undecomposed carbonates to gross calorific values of oil shales from different depositsPihl, Olga; Tšepelevitš, Maria; Burko, Maria; Siirde, AndresOil shale2019 / p. 250–256 : ill http://www.kirj.ee/public/oilshale_pdf/2019/issue_2S/OS-2019-2S-250-256.pdf https://doi.org/10.3176/oil.2019.2S.13 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85070504985&origin=inward&txGid=71d03c3d818837b46013fe853197a639 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000470019100013
• Calculation of composition of Estonian oil shale and its combustion products on the basis of heating valueArro, Hendrik; Prikk, Arvi; Pihu, TõnuOil shale1998 / 4, p. 329-340 https://www.semanticscholar.org/paper/CALCULATION-OF-COMPOSITION-OF-ESTONIAN-OIL-SHALE-ON-Arro-Prikk/aad8479677f95be443d611a5ae1691226a02fb9e
• Calculation of qualitative and quantitative composition of Estonian oil shale and its combustion products. Part 1, Calculation on the basis of heating valueArro, Hendrik; Prikk, Arvi; Pihu, TõnuFuel2003 / p. 2179-2195
• Combustion of Estonian oil shale in fluidized bed boilers, heating value of fuel, boiler efficiency and CO2 emissionsArro, Hendrik; Prikk, Arvi; Pihu, TõnuOil shale2005 / 4S, p. 399-405 : ill https://artiklid.elnet.ee/record=b2352608*est
• Determination of the calorific value and moisture content of crushed oil shale by LIBSAints, Märt; Paris, Peeter; Tufail, Iram; Jõgi, Indrek; Aosaar, Hardi; Riisalu, Hella; Laan, MattiOil shale2018 / p. 339-355 : ill https://doi.org/10.3176/oil.2018.4.04 http://www.kirj.ee/public/oilshale_pdf/2018/issue_4/OS-2018-4-339-355.pdf https://artiklid.elnet.ee/record=b2868183*est https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85063186558&origin=inward&txGid=0f9cb8230cbad74cfdda15e593790d8d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000450718100004
• Economic model of oil shale flows and cost : [summery of the doctoral thesis]Tammeoja, TaunoOil shale2008 / 3, p. 389 : portr https://kirjandus.geoloogia.info/reference/18733
• Economic model oil shale flows and cost = Põlevkivi kaubavoogude ja hinna majandusmatemaatiline mudelTammeoja, Tauno2008 https://www.ester.ee/record=b2384902*est
• Energiakultuuride sobivusest energeetiliste katelde kütuseksKask, Livia; Kask, Ülo; Paist, AaduTaastuvate energiaallikate uurimine ja kasutamine : kuuenda konverentsi kogumik : [11. nov. 2004, Tartu]2005 / lk. 65-76 : ill
• The interaction pathway in the mechano-ultrasonically assisted and carbon-nanotubes augmented nickel-aluminum systemNazaretyan, Khachik; Kirakosyan, Hasmik; Volobujeva, Olga; Aydinyan, SofiyaMetals2022 / art. 436 https://doi.org/10.3390/met12030436 https://www.scopus.com/sourceid/21100399731 https://www.scopus.com/record/display.uri?eid=2-s2.0-85131517434&origin=inward&txGid=1cfa3d101584bccda01b5f67834af44f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=METALS-BASEL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000774096600001
• Kas masinõpe muudab põlevkivitööstuse senised mängureeglid?Vaaks, EveliisTrialoog2025 https://trialoog.taltech.ee/kas-masinope-muudab-polevkivitoostuse-senised-mangureeglid/
• Kodumaa põletisainete kalorimeetrilised kütteväärtuse määramised. IIPezold, ErnstTallinna Tehnikumi juures asuva Riiklise Katsekoja Teated1925 / lk. 78-80 https://www.ester.ee/record=b1321214*est
• KütusedOts, ArvoMasinaehitaja käsiraamat. 1. kd1968 / lk. 194-203 https://www.ester.ee/record=b1298495*est
• Modelling of oil shale concentration processes in Estonian minesPastarus, Jüri-Rivaldo; Reinsalu, Enno; Saarnak, MartinInternational journal of mining, reclamation and environment2015 / p. 213-225 : ill https://doi.org/10.1080/17480930.2014.962807 https://www.scopus.com/sourceid/4700152306 https://www.scopus.com/record/display.uri?eid=2-s2.0-84925750593&origin=inward&txGid=1558f652f07176be634ca1aedb428df1 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INT%20J%20MIN%20RECLAM%20ENV&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000351907900005
• Oil shale resources for oil productionReinsalu, Enno; Valgma, IngoOil shale2007 / 1, p. 9-14 : ill https://artiklid.elnet.ee/record=b2367793*est
• Precision of oil shale energy rating and oil shale resourcesKoitmets, K.; Reinsalu, Enno; Valgma, IngoOil shale2003 / 1, p. 15-24 : ill https://artiklid.elnet.ee/record=b1010843*est
• Puit(põhiste)kütuste omadused ja kvaliteetPaist, Aadu; Nuutre, Maaris; Aluvee, RaajaTaastuvate energiaallikate uurimine ja kasutamine : kolmanda konverentsi kogumik : [1. november 2001, Tartu]2002 / lk. 109-117 : ill
• The impact of oil shale calorific value on CFB boiler thermal efficiency and environment = Põlevkivi kütteväärtuse mõju keevkihtkatla efektiivsusele ja keskkonnalePlamus, Kristjan2012 https://www.ester.ee/record=b2862227*est
• The peculiarities by firing oil shale fuel with different heating value nn CFB boilersOts, Arvo; Parve, Teet; Pihu, Tõnu; Plamus, Kristjan; Prikk, Arvi; Nešumajev, DmitriНаучно-техническая конференция "Технологии эффективного и экологически чистого использования угля" : 29-30 октября 2009, Москва, Россия2009 / с. 139-145
• Еще раз о ценности топливаSemjonov, A.; Kaisel, Ülo; Kala, RaimondСоциалистическая индустрия1978 / с. [?] https://www.ester.ee/record=b1841994*est
• К вопросу определения теплоты сгорания отходов обогащения горючих сланцевOts, Arvo; Kala, RaimondДобыча и переработка горючих сланцев1965 / с. 107-110 https://www.ester.ee/record=b2110626*est
• О дифференциации цен на энергетический сланец с учетом его теплоты сгоранияKala, Raimond; Saarest, KuidoДобыча и переработка горючих сланцев1966 / с. 88-94 : ил., табл https://www.ester.ee/record=b2110626*est
• Определение и учет в оптовых ценах энергетической ценности горючих сланцевKala, Raimond; Nagelman, OsvaldВопросы экономики энергетического топлива : межвузовский сборник статей1972 / с. 86-92
• Построение оптовых цен на горючие сланцы с учетом их энергетической ценностиKala, Raimond; Nemtšinov, VladimirВопросы ценообразования : реферативно-информационный сборник1975 / с. 35-43
• Раздел 5.2. Методика и учет в ценообразовании энергетической ценности горючих сланцевKala, Raimond; Jakovets, Juri; Nemtšinov, VladimirМетодика определения и учета в ценообразовании энергетической ценности топлива : (основные положения)1980