MACHÁČKOVÁ, I., KREKULE, J., EDER, J., SEIDLOVÁ, F., STRNAD, M. Cytokinins in photoperiodic induction of flowering in Chenopodium species. Physiologia Plantarum. 1993, 87(-), 160-166. ISSN 0031-9317. E-ISSN 1399-3054.