Schey, H. M. 1930- 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. Shanti Books8269/01$52.70 ISBN: 9780393925166 (pbk.) Subjects--Topical Terms: Vector analysis. Dewey Class. No.: 515.63 SCH