共 10 条
[1]
CORKINS CL, 1930, U WYO AGR EXP STN B, V175
[2]
Farrar CL, 1937, J AGRIC RES, V54, P0945
[4]
Griffin L. A. M., 1966, NZ J AGR, V113, P41
[7]
OERTEL E, 1958, AM BEE J, V98, P62
[8]
SAKAGAMI S F, 1968, Researches on Population Ecology (Tokyo), V10, P127, DOI 10.1007/BF02510869
[9]
WARREN LO, 1960, ARKANSAS FARM RES, V9, P11
[10]
[No title captured]