00259nam a2200121Ia 4500020001000000082002100010100002000031245002900051260003200080300001500112500000500127700000500132  a06670  a330.015bB763.ES  aBoulding, K. E.  aEconomics as a scienceb  aNew YorkbMcGraw-Hillc1970  avii, 157p.  a  a