• Analysis of total phenols, sugars, and mineral elements in colored tubers of solanum tuberosum l.Saar-Reismaa, Piret; Kotkas, Katrin; Rosenberg, Viive; Kulp, Maria; Kuhtinskaja, Maria; Vaher, MerikeFoods2020 / art. 1862 https://doi.org/10.3390/foods9121862 https://www.scopus.com/sourceid/21100898636 https://www.scopus.com/record/display.uri?eid=2-s2.0-85106227774&origin=resultslist&sort=plf-f&src=s&st1=%22analysis+of+total+phenols%22&sid=cb9468196be02c768bc7f04fadd9ce99&sot=b&sdt=b&sl=34&s=TITLE%28%22analysis+of+total+phenols%22%29&relpos=1&citeCnt=7&searchTerm= https://jcr.clarivate.com/jcr-jp/journal-profile?journal=FOODS&year=2021 https://www.webofscience.com/wos/woscc/full-record/WOS:000601925600001
• Detection, distribution and control of Potato mop-top virus, a soil-borne virus, in northern EuropeSantala, J.; Samuilova, O.; Järvekülg, Lilian; Kotkas, KatrinAnnals of applied biology2010 / 2, p. 163-178 : ill https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1744-7348.2010.00423.x
• Meristeemkloonide uurimisel on tulevikkuRosenberg, Viive; Kotkas, Katrin; Särekanno, MarjeMaamajandus2006 / apr., lk. 33-35 https://artiklid.elnet.ee/record=b1054055*est
• Potato in Estonia : production and researchKotkas, KatrinPotato developments in a changing Europe2006 / p. 250-258