TY  - BOOK
AU  - Ruggiero, Vincent Ryan
TI  - The art of thinking: a guide to critical and creative thought 
SN  - 0060456655 (pbk.)
U1  - 153.42 RUG 19
PY  - 1984///
CY  - New York, N.Y.
PB  - Harper & Row
KW  - Thought and thinking
KW  - Problems, exercises, etc
ER  -