TY  - BOOK
AU  - Newell,Allen
AU  - Simon,Herbert A.
TI  - Human problem solving
U1  - 150 NEW 
PY  - 1972///
CY  - New Jersey
PB  - Prentice-Hall, Inc.
KW  - Human problems
KW  - Psychology
KW  - Preliminaries
ER  -