00298nas a2200157   4500000000100000000000100001000000100002000000100003008004100004100001500045700001600060700001400076700002100090700001300111700001600124       1992                            d  J.M. Slingo  M. Blackburn  J. Thuburn  L. Steeyman-Clark  R. Brugge  B.J. Hoskins