Philippine engineering journal. Engineering journal - v. : ill. ; 25 cm. - Semiannual ISSN: LCCN: 91947215 Nat. Bib. Agency Control No.: 007861865 Uk Subjects--Topical Terms: Engineering--Periodicals.Engineering--Philippines--Periodicals. LC Class. No.: TA1 / .P48 Dewey Class. No.: 620/.005