a Speight, James G. \a The Desulfurization of Heavy Oils and Residua \h [Text] \c / by James G. Speight - \a New York: \b Marcel Dekker, Inc. \c [No Date] - \a ix,213p.: \b ill. - \a Chemical Industries/4 . \a Includes bibliographical references \a Includes bibliographical references ISBN: \a 0824715663 LC Class. No.: \a TP 690.45 Sps / \b 515891