TY - BOOK AU - Farmer, David W. TI - Groups and Symmetry: a guide to discovering mathematics T2 - Mathematical world, 1055-9426 ; v. 5 SN - 8173711070 U1 - 511.33 20 FAR PY - 1998/// CY - Hyderabad PB - Universities press N1 - Includes bibliographical references ER -