共 27 条
[21]
Shannon C.E., 1949, MATH THEORY COMMUNIC
[22]
FOOD-SEARCHING BEHAVIOR OF TITMICE IN PATCHY ENVIRONMENTS
[J].
ECOLOGY,
1974, 55 (06)
:1216-1232
[23]
TINBERGEN JM, 1981, ARDEA, V69, P1
[24]
VANBALEN JH, 1973, ARDEA, V61, P1
[25]
Witherby H., 1938, HDB BRIT BIRDS