共 93 条
[41]
KOCH L, 1957, ENCYCLOPEDIA BRITISH
[42]
KOZLOVA EV, 1962, FAUNA USSR BIRDS 1 3, V2
[43]
Krechmar A. V., 1966, Trudy Zoologicheskogo Instituta Leningrad, V39, P185
[44]
Lack D., 1968, pvii
[45]
Larson S., 1957, Acta Vertebratica, VNo.1, P1
[46]
Laven H, 1940, J ORNITHOL, V88, P183
[47]
LEVEQUE RAYMOND, 1964, ALAUDA REV INT ORNITHOL, V32, P5
[48]
LOWE V. T., 1963, EMU, V62, P221
[49]
MACKWORTHPRAED CW, 1952, AFRICAN HDB BIRDS 1, V1
[50]
MACLEAN G L, 1969, Living Bird, V8, P33