• Deformations in round-profiled threads and their influence on the screw durabilityPenkov, Igor; Strižak, Viktor; Sivitski, AlinaInternational review of mechanical engineering (IREME)2007 / 4, p. 372-379 : ill https://www.praiseworthyprize.org/jsm/index.php?journal=irece&page=article&op=view&path%5B%5D=76
• Kiud ja niidid : laboratoorsete tööde juhend2001 https://www.ester.ee/record=b1526033*est
• Strength investigation of rolled threadsStrižak, Viktor; Penkov, IgorHARDMEKO'98 : proceedings of International Symposium on Advances in Hardness Measurement : September 21-23, 1998, Beijing, China1998 / p. 35-40 : ill
• Study of the curing mechanism of metal alkoxide liquid threads for the synthesis of metal oxide fibers or microtubesPart, Marko; Hanschmidt, Kelli; Jõgi, Jakob; Rauwel, Erwan; Seisenbaeva, Gulaim A.; Kessler, Vadim G.; Tätte, TanelRSC advances2014 / p. 12545-1255 : ill https://doi.org/10.1039/c3ra47924b https://www.scopus.com/sourceid/21100199840 https://www.scopus.com/record/display.uri?eid=2-s2.0-84897715117&origin=inward&txGid=afda4e09c95d795e3a38eb0ecd7a90b0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=RSC%20ADV&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000332473400060
• О расчете упругой нити по методу деформацииKulbach, Valdek; Engelbrecht, JüriСтроительные конструкции и строительная физика : сборник статей. 51967 / с. 57-64 : илл https://www.ester.ee/record=b2182183*est https://digikogu.taltech.ee/et/Item/7156140a-c487-49ea-93b9-fa78852d252e