• Al2O3/TiO2 ratio of the clay fraction of Late Ordovician–Silurian carbonate rocks as an indicator of paleoclimate of the Fennoscandian ShieldKiipli, Enli; Kiipli, Tarmo; Kallaste, Toivo; Siir, SvenPalaeogeography, palaeoclimatology, palaeoecology2012 / p. 312-320 : ill https://www.sciencedirect.com/science/article/pii/S0031018212005494
• Geochemical discimination of the Upper Ordovician Kinnekulle Bentonite in the Billegrav-2 drill core section, Bornholm, DenmarkKiipli, Tarmo; Kallaste, Toivo; Nielsen, Arne T.; Schovsbo, Niels H.; Siir, SvenEstonian journal of earth sciences2014 / p. 264-270 : ill https://artiklid.elnet.ee/record=b2705908*est https://doi.org/10.3176/earth.2014.29 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919352193&origin=inward&txGid=0704e0e2344c4ff8150740c55f7aa062 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000346296000014
• Geochemistry and correlation of volcanic ash beds from the Rootsiküla Stage (Wenlock-Ludlow) in the eastern BalticKiipli, Tarmo; Einasto, Rein; Kallaste, Toivo; Nestor, Viiu-Kai; Perens, Helle; Siir, SvenEstonian journal of earth sciences2011 / 4, p. 207-219 : ill https://artiklid.elnet.ee/record=b2455468*est
• Internal geochemical stratification of bentonites (altered volcanic ash beds) and its interpretation = Bentoniitide (muutunud vulkaanituhkade) geokeemiline isestratifikatsioon ja selle interpretatsioonSiir, Sven2015 https://www.ester.ee/record=b4494461*est
• Internal stratification of two thick Ordovician bentonites of Estonia : deciphering primary magmatic, sedimentary, environmental and diagenetic signaturesSiir, Sven; Kallaste, Toivo; Kiipli, Tarmo; Hints, RuttEstonian journal of earth sciences2015 / p. 140-158 : ill https://artiklid.elnet.ee/record=b2727638*est https://doi.org/10.3176/earth.2015.23 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919368639&origin=inward&txGid=8ce610459a254993aeda960b296a9a9b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000356470600002
• Mean grain size fluctuations of the siliciclastic component in the Aizpute-41 core : implication for end-Ordovician glaciationKiipli, Enli; Siir, Sven; Kallaste, Toivo; Kiipli, TarmoEstonian journal of earth sciences2014 / p. 257-263 : ill https://artiklid.elnet.ee/record=b2705898*est https://doi.org/10.3176/earth.2014.28 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919390683&origin=inward&txGid=923d3a5603f7a3f3364f6f4da26a987c https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000346296000013