000 00716nam a2200241Ia 4500
008 160601s9999 xx 000 0 und d
020 _a675098130
100 _aBotkin, Daniel B
_959516
100 _aKeller, Edward A
_959517
245 _aEnvironmental studies
245 _bthe earth as living planer
260 _aColumbus
260 _bCharles E Merrill publishing company
260 _c1982
300 _aix, 506p.; ill, 30cm.
650 _aBiosphere
_916368
650 _aEcosystems
_934234
650 _aEnvironmental economics
_916374
650 _aEnvironmental ethics
_947690
650 _aEnvironmental law
_936835
650 _aEnvironmental planning
_94694
650 _aHuman population
_941465
999 _c20543
_d20543