共 52 条
[11]
Darling F.F, 1938, BIRD FLOCKS BREEDING
[12]
Davis E. M., 1937, Bird-Banding Boston, V8, P66
[13]
EMLEN J. T., 1954, AUK, V71, P16
[14]
EMLEN JOHN T., 1952, CONDOR, V54, P177, DOI 10.2307/1364635
[16]
GEORG P V, 1970, Bulletin of the Iraq Natural History Museum (University of Baghdad), V4, P3
[17]
HAARTMANN LV, 1969, BIOL SOC SCI FENN, V32, P1
[19]
HORN H S, 1970, Condor, V72, P15, DOI 10.2307/1366470