00403nam a22001457a 45000050016000000200022000160350013000380370013000511000022000642450071000862500012001572600044001693000025002137000019002382012050300340.0  a812031204Xc75.00  aA-933706  aDPLbENG  aNellis, Joseph G.  aThe essence of the economy /cby Joseph G. Nellis and David Parker  a2nd ed.  aNew DelhibPrentice-Hall of Indiac1997  axiii, 213p.c18 cms.  aParker, David