共 23 条
[2]
BLANKEN GD, 1981, ARDEA, V69, P115
[3]
NEST PREDATION IN RELATION TO SNOW-COVER - A POSSIBLE FACTOR INFLUENCING THE START OF BREEDING IN SHOREBIRDS
[J].
ORNIS SCANDINAVICA,
1980, 11 (03)
:249-252
[4]
BYRKJEDAL I, 1980, HOLARCTIC ECOL, V3, P40
[5]
Cramp S., 1983, BIRDS W PALEARCTIC, V3
[6]
FRANKE H, 1953, PHOTOGR FORSCH, V5, P200
[7]
HILDEN OLAVL, 1966, ORNIS FENN, V43, P16
[9]
HOFSVANG T, 1974, J ENTOMOL, V21, P1
[10]
JENNI DA, 1974, AM ZOOL, V14, P129