共 22 条
[1]
BONSMA J. C, 1953, EMPIRE JOUR EXPTL AGRIC, V21, P154
[2]
Conway E., 1962, MICRODIFFUSION ANAL, P98
[3]
CONWAY EJ, 1962, MICRODIFFUSION ANALY, P142
[4]
DELROY GE, 1949, PHOTOELECTRIC METHOD, P44
[5]
DUCKWORTH J., 1946, Tropical Agriculture, V23, P4
[6]
Duthie I. F., 1960, Laboratory Practice, V9, P705
[7]
FINDLAY JD, 1954, PROGRESS PHYSIOLOGY, V1, P252
[9]
HAMMOND J, 1954, PROGRESS PHYSIOLO ED, V1, P252