Morris, W. David Differential equations for engineers and applied scientists / W. D. Morris. - London ; New York : McGraw-Hill, 1974. - x, 191 pages : illustrations ; 23 cm. Includes index. ISBN: 0070840415 LCCN: 75302092 Subjects--Topical Terms: Differential equations. LC Class. No.: TA347.D45 / M67 Dewey Class. No.: 515.3502462 D515.3502462 / MOD 1974