00580nam a2200193Ia 4500020001500000082002100015100001500036245003400051260003400085300002800119490007900147500000500226690000600231700000500237952010300242964001700345921000900362999001500371  a3540097449  a338.512bF222.LD  aFare, Rolf  aLaws of diminishing returnsb  aBerlinbSpringer-Verlagc1980  aviii, 97p. Index, Bibl.  aLecture notes in Economics and Mathematical Systems - Economic theory, 176  a  a   a  00104070aISIbISId1998-08-20l0o338.512 F222.LDpDP16656r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a4961  c4961d4961