00314nam a2200121Ia 4500020001500000082002100015100002200036245005400058260004300112300002700155500000500182700000500187  a0043381502  a338.01bSc317.SJ  aSchefold, Bertram  aMr. Sraffa on joint production and other essaysb  aLondonbGeorge Allen & Unwin Ltdc1989  axi, 378p. Index, Bibl.  a  a