TY  - BOOK
AU  - Yeck,John D., x
AU  - x
TI  - How to get profitable ideas: for creative problem solving
SN  - x
U1  - RB153.2/Y37h 
PY  - 1965///
CY  - New York
PB  - McGraw - Hill Book company
KW  - Ideas
KW  - Psychology
N1  - Includes
ER  -