00399nam a2200145Ia 4500020001500000082002200015100002300037245003600060260003400096300001400130490006400144500003500208500000500243700000500248  a3540111581  a338.512bSh548.CP  aShepard, Ronald W.  aCost and production functionsb  aBerlinbSpringer-Verlagc1981  aix, 104p.  aLecture notes in Economics and Mathematical systemsv v.194  a"reprint of the first edition"  a  a