Vujanovic, B. D.. , An introduction to modern variational techniques in mechanics and engineering / Bozidar D. Vujanovic, T. M. Atanackovie. - x, 346 pages : illustrations ; 23 cm. ISBN: 0817633995 Subjects--Topical Terms: Variational principles.Mechanics, Analytic. LC Class. No.: QA808 / .V85 2004