00421nam a2200133Ia 4500082002500000100002700025245010500052260002900157300001300186500000500199700002800204700003000232700002500262  a303.4840184bC593.GS  aClark, John and others  aGlobal simulation models; a comparative studybcBy John Clark, Sam Col, Ray Curnow and Mike Hopkins  aLondonbJohn Wileyc1975  ax, 135p.  a  aCurnow, Ray ; jt. auth.  aHopkins, Mike ; jt. auth.  aCol, Sam ; jt. auth.