共 14 条
[1]
Allee W. C., 1931, ANIMAL AGGREGATION S
[2]
ALLEE WC, 1911, NEW YORK ABSTRACTION, P43
[3]
ALLEE WC, 1934, RECENT STUDIES MASS, V9, P1
[4]
ALLEE WC, 1932, ANIMAL LIFE SOCIAL
[5]
BAILEY FW, 1931, T ROY CAN I, V18, P1
[6]
GREENE WT, 1892, PARROTS CATIVITY, V1
[7]
HARVARD HE, 1920, TERRITORY BIRD LIFE
[8]
Katz D, 1923, Z PSYCHOL PHYSIOL SI, V93, P287
[9]
MASURE RALPH H., 1934, AUK, V51, P306
[10]
MATTEWS GM, 1916, BIRDS AUSTR, V6