00465nam a2200193Ia 4500008004100000020001400041050001000055050001400065100001300079245002700092245003500119245001600154260001500170260002200185260000900207300001600216300002000232999001900252170711s9999    xx            000 0 und d  a395578213  a363.7  bG666 1992  aGore, Al  aEarth in the balance :  becology and the human spirit /  cby Al Gore.  aNew York :  bHoughton Mifflin,  c1992  a407 pages :  billustrations ;  c339672d339672