TY  - BOOK
AU  - Parsons Leonard J
AU  -  Schultz Randall L
TI  - Marketing models and econometric research
SN  - 0720486017
U1  - X:51:(B), L6 
PY  - 1976///
CY  - NY
PB  - North Holland         
KW  - Marketing IRT Mathematics
N1  - Bibliography p 273-93
ER  -