• Dissolution of rare earth elements from phosphate ore in hydrochloric acidHacialioglu-Erlenheim, Gizem; Tõnsuaadu, Kaia; Urtson, Kristjan; Kallaste, Toivo; Trikkel, AndresXIV International Mineral Processing and Recycling Conference : proceedings2021 / p. 166-171 : ill https://imprc.tfbor.bg.ac.rs/download/IMPRC_2021_Proceedings.pdf
• Geochemical heterogeneity of Estonian graptolite argilliteVoolma, Margus; Soesoo, Alvar; Hade, Sigrid; Hints, Rutt; Kallaste, ToivoOil shale2013 / p. 377-401 : ill https://artiklid.elnet.ee/record=b2633538*est https://doi.org/10.3176/oil.2013.3.02 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-84882777831&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3176%2Foil.2013.3.02%29&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000323548500002
• Palaeoenvironmental signatures revealed from rare earth element (REE) compositions of vertebrate microremains of the Vesiku Bone Bed (Homerian, Wenlock), Saaremaa Island, EstoniaFadel, Alexandre; Žigaitė, Živilė; Blom, Henning; Pérez-Huerta, Alberto; Jeffries, Teresa; Märss, Tiiu; Ahlberga, Per ErikEstonian Journal of Earth Sciences2015 / p. 36 - 41 https://doi.org/10.3176/earth.2015.07