Trono, Gavino C., Jr. Field guide and atlas of the seaweed resources of the Philippines / by Gavino C. Trono, Jr. - Makati City : Bookmark Inc, c1997. - xx, 306 pages : colored illustrations ; 26 cm. Includes bibliographical references and index. ISBN: 9715692524 Subjects--Topical Terms: Marine algae industry.Marine algae--Philippines.Marine resources.