TY  - BOOK
AU  - Wolf,Robert S.
TI  - Proof,logic and conjecture: the mathematician's tool box.
SN  - 0716730502
U1  - 511.3 WOL 
PY  - 1998///
CY  - New York
PB  - W.H.Freeman & Company
N1  - Includes bibliographical references
ER  -