000 00288nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSilverman H A
245 0 _aGround Work Of Economics
260 _bSir Isac Pitman &sons
_c1965
300 _a135p
650 _aCommerce
942 _cBK
999 _c21912
_d21912