Foust, Alan S. 1908- Principles of unit operations / [by] Alan S. Foust [and others] - 578 pages : illustrations ; 29 cm. Includes bibliographical references and index. LCCN: 60006454 Nat. Bib. No.: GB60-9774 Subjects--Topical Terms: Chemical engineering. LC Class. No.: TP155 / .F67 Dewey Class. No.: 660.2842