00296nam a2200097Ia 4500080001800000100003300018245008700051260002700138300001500165583001800180  a17.02.01 I613  aHoughton, John T....[et al.]  aAn introduction to simple climate models used in the IPCC second assessment report  bIPCCa[Geneva]CHc1997  a47, [3] p.  c1/25/08kJOYD