共 5 条
[2]
HENSCHEL JR, 1978, S AFR J SCI, V74, P305
[3]
MELVIN, 1978, THESIS U WISC STEVEN
[4]
WOBESER, 1981, DISEASES WILD WATERF
[5]
Young E., 1967, International Zoo Yearbook, V7, P226, DOI 10.1111/j.1748-1090.1967.tb00405.x