1. Hormonal correlates of behavior;Balthazart,1983
2. Multiple regression analysis of mid-winter lipid levels in the house sparrow, Passer domesticus;Blem,1980
3. The Breeding Ecology of House Sparrows;Dawson,1972
4. The prudent parent: Energetic adjustments in avian breeding;Drent;Ardea,1980
5. The seasonality and population dynamics of equatorial forest birds in Sarawak;Fogden;Ibis,1972