共 24 条
[2]
ALMKVIST B, 1975, WILDFOWL, V25, P89
[3]
ASHCROFT R E, 1976, Wildfowl, V27, P101
[5]
BAILLIE SR, 1983, WADER STUDY GROUP B, V39, P46
[6]
Baxter EV, 1953, BIRDS SCOTLAND
[7]
BROWNIE C, 1985, US FISH WILDL SERV R, V131
[8]
Campbell L. H., 1983, Wildfowl, V34, P105
[10]
GREENWOOD J J D, 1968, Scottish Birds, V5, P189