Peter, Gilbert M. creator Welch, C. Lee 1928- text Minneapolis/St. Paul West Pub. Co. c1996 monographic 1 v. (various pagings) : col. ill. ; 27 cm. Gilbert M. Peter, C. Lee Welch. Welch's name appears first on the earlier ed. Includes index. Algebra Mathematics QA152.2 .W433 1995 512.9 0314041583 (alk. paper) 94010481 UOEL 000 20150518161011.0 2540684