共 11 条
[2]
BLOM E, 1959, P DANISH ASSOC AI VE, V4, P31
[3]
BLOM E, UNPUBLISHED RESULTS
[4]
BLOM E, 1950, THESIS COPENHAGEN
[5]
COUBROUGH R. I., 1964, 5th International Congress Animal Reproduction A.I., 1964., V5, P219
[6]
GUSTAFSSON BORJE, 1965, NORD VETERINAER MED, V17, P65
[7]
HANCOCK J. L., 1949, VET REC, V61, P742
[8]
JONES W. ALUN, 1962, BRIT VET JOUR, V118, P257
[9]
SAVAGE A, 1963, CORNELL VET, V53, P338
[10]
SWANSON EW, 1962, AM J VET RES, V23, P300