共 12 条
[1]
BEVEN G, 1977, BRIT BIRDS, V70, P23
[2]
BRANSON NJB, BIRD STUDY
[3]
DEMENTIEV GP, 1951, BIRDS SOVIET UNION, V3
[4]
GLUTZVONBLOTZHE.UN, 1977, HDB VOGEL MITTELEURO, V7
[5]
Godfrey W.E., 1966, BIRDS CANADA
[6]
MINTON CDT, 1975, WADERS WASH RINGING
[8]
Norrevang A., 1959, Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i Kjobenhavn, V121, P181
[9]
PRATER AJ, 1976, 5TH P INT C CONS WET, P255
[10]
Stanley P.I., 1972, British Birds, V65, P365