The Lung-Air Sac System of Birds Development, Structure, and Function - Maina, John N.; SpringerLink (Online service) (Berlin, Heidelberg : Springer Berlin Heidelberg, 2005)
Keywords: Life sciences; Zoology; Morphology (Animals).; Animal Physiology; Life Sciences; Animal Physiology; Animal Anatomy / Morphology / Histology; Zoology; Animal Systematics/Taxonomy/Biogeography.