共 5 条
[1]
BALL WWR, 1939, MATHEMATICAL RECREAT
[2]
Blake C. H., 1962, Bird-Banding, V33, P173
[3]
BLAKE CH, 1957, BIRD BANDING, V25, P26
[4]
BLAKE CH, 1964, BIRDBANDING, V35, P124
[5]
KENNARD JH, 1962, BIRDBANDING, V33, P90