00278nam a2200109Ia 450000500170000000800410001708200120005810000180007024500360008826000360012430000080016020260225050905.0260224s9999||||xx |||||||||||||| ||und||  a330 STE  aA.W. Stonier  0aSA textbook of economic theory   aLondon: Longman Group Ltdc1971  a574