共 11 条
[1]
BIESTER HE, 1952, DISEASES POULTRY ED
[4]
McGREAL ROBERT D., 1956, NORTHWEST SCI, V30, P12
[7]
ODUM EP, 1960, 12 P INT ORN C, P563
[8]
SPENCER ROBERT, 1966, BRIT BIRDS, V59, P441
[9]
Stewart I. F., 1963, Bird Study, V10, P1
[10]
Verheyen R., 1956, Gerfaut, V46, P65