共 23 条
[1]
ARISTEGUIETA L, 1966, B SOC VENEZ CIENC NA, V24, P228
[2]
BLYDENSTEIN J, 1963, B SOC VENEZ CI NAT, V102, P139
[4]
GIBSON LP, 1972, NE220 US FOR SERV RE
[6]
HARPER J L, 1971, P41
[9]
JANZEN DH, 1969, EVOLUTION, V23, P1, DOI 10.1111/j.1558-5646.1969.tb03489.x