00271nam a2200109Ia 4500082001800000100003600018245001600054260004000070300001600110500000500126700003000131  a330bSt855.EC  aStigum, B. P. and Stigum, M. L.  aEconomicsb  aMassachusettsbAddison Wesleyc1968  axxii, 793p.  a  aStigum, M. L. ; jt. auth.