1. The importance of manipulating the daily photoperiod in canary breeding;Coutteel,1995
2. Use of light in aviculture and avian medicine;Ryan,1999
3. Passerines i;Dorrestein,1997
4. Passerine and softbill medicine and surgery;Dorrestein,1997
5. Survey of diseases of the Lady Gouldian Finch;Bauck,1999