1. Avian plumages and molts;Amadon;Condor,1966
2. The Black Noddy Anous tenuirostris on Ascension Island. Part 1. General Biology;Ashmole;Condor,1962
3. Zur Mauser einiger Rabenvögel;Bährmann;Vogelwelt,1958
4. The effect of temperature, photoperiod and molt on the energy requirements of the House Sparrow, Passer domesticus;Blackmore;Comp. Biochem. Physiol.,1969
5. Recovery of acorns in the European Jay (Garrulus g. glandarius L.);Bossema;Proc. ned. Akad. Wet. ser. C.,1968