• Dolocretes in the uppermost Famennian to Mississippian siliciclastic deposits (Šķervelis Formation, Latvia)Pipira, Daiga; Keipane, Lauma; Stinkulis, Girts; Vircava, Ilze; Martma, TõnuEstonian journal of earth sciences2023 / p. 211-225 https://doi.org/10.3176/earth.2023.86 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85185331494&origin=inward&txGid=3ae65c63b20c3fa45c8a4d598fdefa17 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001148710200001
• Feldspars in the terrigenous sedimentary rocks of Estonia accoeding to X-ray structural analysisKallaste, Toivo; Pirrus, Enn-AavoEesti Teaduste Akadeemia Toimetised. Geoloogia1994 / 1, lk. 38-45: ill
• Purdkivimite ja purdsetete klassifikatsioon terasuuruse järgi = Классификация обломочных пород и отложений по гранулометрическому составуRaukas, Anto1981 https://www.ester.ee/record=b1325438*est
• Purdkivimite terasuuruse klassifikatsioon = Классификация обломочных пород по гранулометрическому составуRaukas, Anto1964 https://www.ester.ee/record=b1369320*est