共 14 条
[1]
ASMUNDSON V. S., 1942, POULTRY SCI, V21, P311, DOI 10.3382/ps.0210311
[2]
Asmundson V. S., 1944, POULTRY SCI, V23, P21, DOI 10.3382/ps.0230021
[3]
ASMUNDSON V. S., 1940, POULTRY SCI, V19, P49, DOI 10.3382/ps.0190049
[4]
Asmundson V. S., 1942, POULTRY SCI, V21, P505, DOI 10.3382/ps.0210505
[7]
BIRD S, 1945, SCI AGR, V24, P481
[9]
FISHER RA, 1932, STATISTICAL METHODS
[10]
JAAP R. GEORGE, 1938, POULTRY SCI, V17, P120, DOI 10.3382/ps.0170120