TY  - BOOK
AU  - Elling Karl A
AU  -  Hirsh Irwing R
TI  - Marketing projects and problems:  Study guide for a   
U1  - X:51, K9 
PY  - 1969///
CY  - New York
PB  - Macmillan         
KW  - Marketing
N1  - Appendix: p 251-58
ER  -