Verhoff-Verhallen, Esther J. The Complete Encyclopedia of Cage and Aviary Birds,
REBO, 1999, 312 с. : с цв. сн., 90 366 1495 3.
Verhoff-Verhallen, Esther J. .
The Complete Encyclopedia of Cage and Aviary Birds.
Lisse, The Netherlands: REBO, 1999, 312 с. : с цв. сн., 90 366 1495 3.
Verhoff-Verhallen, Esther J. (1999)
The Complete Encyclopedia of Cage and Aviary Birds,
Lisse, The Netherlands: REBO, 312 с. : с цв. сн., 90 366 1495 3
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