Vallejo Jr., Benjamin, 		Aloyab, Alexander, 		Ong, Perry, 		Tamino, Annette, AND 		Villasper, Jonathan.
" Spatial Patterns of Bird Diversity and Abundance in an Urban Tropical Landscape: The University of the Philippines (UP) Diliman Campus" <em>Science Diliman: A Journal of Pure and Applied Sciences</em> [Online], Volume 20 Number 1 (27 November 2008)