TY  - BOOK
AU  - Balk Bert M
TI  - Price and quantity index numbers :  Models for measuring aggregate change and diffrencemeasuring aggregate change and difference   
SN  - 9780521889070
U1  - X:76:(B), P8 
PY  - 2008///
CY  - Cambridge
PB  - Cambridge university press        
KW  - PRICE
N1  - Bibliography P 261-80
ER  -