共 4 条
[1]
DEAN GW, 1960, 238 CAL AGR EXPT STA
[2]
FELLOWS IF, 1952, CONN AGR EXPT STA B, V285
[3]
FRENCH BC, 1956, HILGARDIA, V24
[4]
HEADY EO, 1955, IOWA AGR EXPT STA RE, V428