000 00303nam a2200121Ia 4500
008 200208s9999 xx 000 0 und d
082 _a910 NAT
245 0 _aNational Geographic 1990-1997; 3cd's
260 _aWashington; National Geographic
260 _c2002
650 _aenvironment
942 _cCD
999 _c148637
_d148636