00452nam a2200169Ia 4500082001700000100002500017245001800042260004800060300001500108500000500123690000600128700000500134952009900139964001700238921001000255999001700265  a516bW476.DM  aWenninger, Magnus J.  aDual modelsb  aCambridgebCambridge University Pressc1983  axii, 156p.  a  a   a  00104070aISIbISId1998-09-23l0o516 W476.DMpDP19752r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13291  c13291d13291