1. Photoperiodism of the individual parts of the leaf, its halves;CHAILAKHYAN;Doklady Academy of Sciences of the USSR,1945
2. Translocation of assimilates from leaves to shoots during different photoperiodic regimes of plants;CHAILAKHYAN;Fiziologia Rasteniye (Soviet Plant Physiology),1957
3. Participation of long-day inhibition in flowering of Xanthium strumarium;GIBBY;Plant Physiology,1971
4. GREGORY, F.G. (1948). The control of flowering in plants. Symposium, Society of Experimental Biology II. Growth, pp. 75–203
5. Hemmung der Infloreszenbildung durch Langtag bei der Kurztagspflanze Kalanchoe blossfeldiana;HARDER;Planta,1949