Bibliography of South Asian Ornithology · Search: Author is “deraniyagala, p. e. p.”, filtered by Family: APODIDAE, Item type: Book · 1 record · Printed 4 November 2026 · https://southasiaornith.in/search?author.is=deraniyagala%2C+p.+e.+p.&family=APODIDAE&type=book