000 00266nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a266264
082 _a333.705
_bENV
245 0 _aEnvironment
260 _bHeldref Publications
_aWashington, D.C.
942 _cPRBP
999 _c189900
_d189899