共 6 条
[1]
Asdell SA, 1964, PATTERNS MAMMALIAN R
[2]
ENSMINGER ME, 1961, SWINE SCIENCE
[3]
HAFEZ ESE, 1962, REPRODUCTION FARM AN
[4]
Jones P., 1959, EUROPEAN WILD BOAR N
[5]
MATSCHKE GH, 1962, P SE ASS FISH WILDL, V16, P21
[6]
WINTERS LM, 1954, ANIMAL BREEDING