000 00435nam a2200133Ia 4500
008 220407s9999 xx 000 0 und d
040 _cATVERC
050 _aGE 10 .A67 1970 P.1
245 0 _aApplied environmental science: foundation concepts and principles, part 1
260 _aWashington, D.C.
_bNat'l Geographic Magazine
_cc1970
300 _a16 p. : col. ill. ; 29 cm.
_c29 cm
650 _aEnvironmental Science
999 _c16363
_d16363