000
00237nam a2200109Ia 4500
100
_a
Theil
245
_a
Principles of econometrics
260
_c
1971
_b
North Holland
300
_a
xxx, 736p.
_b
20cm
650
_a
Econometrics
942
_c
BK
999
_c
65803
_d
65803