00394nam a22001457a 450000500170000000800410001702000150005804100080007308200190008110000210010024500460012126000490016730000140021670000180023020260411122722.0260411b        |||||||| |||| 00| 0 eng d  a0435844652  aeng  a338.520bLIT/U  aLittle, I. M. D.  aUsing Shadow Pricesc/ by I. M. D. Little  aLondon:bHeinemann Educational Books,c1977.  ax, 254p.;  aScott, M. FG.