na INLIS000000000000521 20231005113151 0010-0921000521 231005 g 0 eng id 581.145.1 581.145 HIL t Hillman, William S The physiology flowering / William S Hillman United States Of America : Holt Rinehart and Winston New York, 1962 164 p : ill. ; 21 cm MORPHOLOGY -- PHOTOPERIODISM -- FLORAL HORMONES 581.145.1 HIL t 525/D/2008