Manalo, Laureen, AND Campos, Annabelle. " Filtration and respiration rates of the short-necked clam Paphia undulata (Born, 1778) (Mollusca, Pelecypoda: Veneridae) under laboratory conditions" Science Diliman: A Journal of Pure and Applied Sciences [Online], Volume 22 Number 2 (15 March 2011)