TY  - BOOK
AU  - Challen, D. W.
AU  - Challen, D. W.
TI  - Macroeconometric systems: Construction ,validation and applications
SN  - 0-333-34850-8
U1  - 330.18 
PY  - 1983///
CY  - London
PB  - Macmillan Publishing Company
ER  -