Diluvio, Catalina Yray Science in the Philippines : a bibliographic and bibliometric analysis of the periodical literature / by Catalina Yray Diluvio. - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.) - University of Illinois at Urbana-Champaign, 1989. Subjects--Topical Terms: Bibliometrics.Science--Philippines--Bibliography.