Rucker, Walter E. creator Dilley, Clyde A. Lowry, David W. text Lexington, Massachusetts D.C. Heath and Company c1987 monographic 396 p. : col. ill. ; 26 cm. Walter E. Rucker, Clyde A. Dilley [and] David W. Lowry. Includes glossary and index. Mathematics 510 R911 1987 0-669-10269-5