共 23 条
[2]
Andrews R.D., 1978, P249
[3]
BERGERUD A T, 1969, Canadian Field-Naturalist, V83, P128
[4]
BRASSARD J. A., 1939, CANADIAN FIELD NAT, V53, P15
[5]
DICE LEE R., 1953, CONTR LAB VERTEBRATE BIOL UNIV MICHIGAN, V62, P1
[6]
FRANCIS GR, 1972, 91 ONT MIN NAT RES R
[7]
HAWLEY VERNON D., 1957, JOUR MAMMAL, V38, P174, DOI 10.2307/1376307
[10]
MAJOR JT, 1979, THESIS U MAINE ORONO