00375nam a2200157Ia 4500003000500000008004100005020000900046040000900055041001200064082002100076100002300097245006600120250000800186260000900194650001400203NDCL180829s9999||||ii |||||||||||||| ||eng||  a2508  aNDCL  aEnglish  a310 SMR216th ed  aSpiegel, Murray R. 0aTheory and Problems of statics in S1 UnitscMurray R. Spiegel  a2nd  c1992  aEconomics