000
00260nam a2200109Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
330.342
_b
HAL
100
_a
HALM, G N
245
0
_a
Economic systems
260
_a
Calcutta
_b
Oxford & IBH
_c
1960
942
_c
BK
999
_c
20932
_d
20932