00513nam a2200169Ia 4500082002500000100002000025245008500045260002900130300002000159500000500179690000600184700000500190952010700195964001700302921000900319999001500328  a658.4030184bR924.PM  aRivett, Patrick  aPrinciples of model building; the construction of models for decision analysisb  aLondonbJohn Wileyc1972  aix, 141p. Index  a  a   a  00104070aISIbISId1998-09-08l0o658.4030184 R924.PMpDP13381r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a9352  c9352d9352