000 00253nam a22001097a 4500
999 _c407
_d407
020 _a0022800786
082 _a580
_bMOY
245 _aScience
_bNational Geographic Society
_cMoyer Richard
260 _aAmerica
_bMcgraw-Hill
_c2002
300 _a69p.
942 _cL