DOBREV, Petre, MOTYKA, Václav, GAUDINOVÁ, Alena, MALBECK, Jiří, TRÁVNÍČKOVÁ, Alena, KAMÍNEK, Miroslav, VAŇKOVÁ, Radomíra. Transient accumulation of cis- and trans-zeatin type cytokinins and its relation to cytokinin oxidase activity during cell cycle of synchronized tobacco BY-2 cells. Plant Physiology and Biochemistry. 2002, 40(-), 333-337. ISSN 0981-9428. E-ISSN 1873-2690.