共 65 条
[21]
HANCOCK J. L., 1949, VET REC, V61, P308
[22]
HANCOCK J. L., 1949, VET REC, V61, P742
[23]
HANCOCK JL, 1953, J EXP BIOL, V30, P50
[25]
HANCOCK JL, 1952, J EXP BIOL, V29, P445
[26]
HERMAN HA, 1941, RES B MO AGR EXP STA, V326
[27]
IVANOV EE, 1931, Z ZUCHT B, V20, P404
[28]
KENDALL MG, 1948, ADV THEORY STATISTIC
[29]
LAGERLOF N, 1934, ACTA PATH MICROBIO S, V19