共 8 条
- [1] AMADON D, 1954, EVOLUTION, V8, P4
- [2] ECKSTEIN P, 1956, MARSHALLS PHYSL REPR
- [3] PHILLIPS RW, 1934, MISSOURI AGR EXP STA, V217, P1
- [4] PORTMANN A, 1952, ANIMAL FORMS PATTERN
- [5] RILEY GM, 1937, ANAT REC S, V57, P327
- [6] SALT W. R., 1954, AUK, V71, P64
- [8] Wolfson A., 1952, Bird-Banding, V23, P159