TY  - BOOK
AU  - Challen,D.W.
AU  - Hagger,A.J.
TI  - Macroeconometric systems: construction, validation and applications 
SN  - 0333310845
U1  - 339 
PY  - 1983///
CY  - London
PB  - Macmillan
KW  - Econometrics
KW  - Economics
KW  - Mathematical models
N1  - Includes bibliographies and index
ER  -