Oberhoff, Kenneth E. Murphy, Michael G. Pierce Jr., R.C. Rodriguez, Dennis M. text New York Harcourt Brace Jovanovich, Inc. c1983 monographic xii, 550 p. : figs. and tables ; 25 cm. Michael G. Murphy [and three others]. Includes index. Algebra Trigonometry 512.13 A394 1983 0-15-502135-4