1. Electrical activity from the pectoral muscle of a flying bird, the budgerigar;Aulie;Comp. Biochem. Physiol.,1970
2. Body temperatures in pigeons and budgerigars during sustained flight;Aulie;Comp. Biochem. Physiol.,1971
3. The co-ordination between respiration and wing beats in birds;Berger;Z. vergl. Physiol.,1970
4. Respiratory dead space;Bouhuys,1964
5. Evaporative cooling and respiratory alkalosis in pigeon;Calder,1966