Purcell, Edwin J. (Edwin Joseph) 1901- creator Varberg, Dale E. text Englewood Cliffs, N.J Prentice-Hall c1987 5th ed. monographic xiii, 896, 8 p. : ill. ; 27 cm. Edwin J. Purcell, Dale Varberg. Includes index. Calculus Mathematics Geometry, Analytic Mathematics QA303 .P99 1987 515/.15 0131111051 : 86017011 UOEL 000 20141027120044.0 2405677