Rao, S. S. The finite element method in engineering / S.S. Rao. - 2nd ed. - Oxford : Pergamon Press, 1989. - xxvi, 643 p. : ill. ISBN: 0080334199 (soft) : $26.50 (U.S.) LCCN: 90015150 Subjects--Topical Terms: Finite element method.Engineering mathematics