00336nam a2200133Ia 4500020001500000082002100015100002500036245003100061260004300092300001500135490004200150500000500192700000500197  a0043302254  a330.08bSa121.MT  aSachs, Ignacy d ed.  aMain trends in economicsb  aLondonbGeorge Allen & Unwin Ltdc1970  a79p. Index  aMain trends in the Social Sciences, 3  a  a