TY  - BOOK
AU  - Pollak Robert A
AU  -  Wales Terence J
TI  - Demand system specification and estimation
U1  - "X:1:(S:44):(B), N2/TD" 
PY  - 1992///
CY  - New
PB  - York Oxford University Press    
KW  - Consumption Economics
N1  - Bibliography: p 197-207
ER  -