TY  - BOOK
AU  - Kelejian,Harry H.
AU  - Oates,Wallace E.
TI  - Introduction to econometrics: principles and applications 
SN  - 0060436174
AV  - HB139 .K44 1974
PY  - 1974///
CY  - New York
PB  - Harper and Row
KW  - Econometrics
N1  - Bibliography: page 269
ER  -