TY  - BOOK
AU  - Wilensky,Robert
TI  - Planing and understanding: A computational approach to human reasoning
SN  -  0-201-09590-4
U1  - 001.535 W64,p 
PY  - 1983///
CY  -  London
PB  -  Addition-Wesley Publishing Co.
KW  -  Computer science. 2.Artificial intelligence
ER  -