000 00331nam a2200145Ia 4500
005 20260205040139.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a330 SI39S
100 _aSILVERMAN H A
245 0 _aSUBSTANCE OF ECONOMICS
260 _aLONDON
_bPITMAN
_c1950
300 _a387
690 _aECONOMICS
942 _cBK
999 _c671
_d671