Schey, H. M. Div, grad, curl, and all that : an informal text on vector calculus / H. M. Schey - 4th ed. - New York : W. W. Norton, c2005. - viii, 163 p. : ill. ; 24 cm. Includes indexes ISBN: 9780393925166 Subjects--Topical Terms: Vector analysis LC Class. No.: QA433 / .S28 2005