000 00323nam a2200133Ia 4500
005 20241213175247.0
008 241213s9999 xx 000 0 und d
100 _aSmith, Guy-harold
245 0 _aConservation of natural resources
260 _aNew York
260 _bJohn Wiley & Sons
260 _c1971
300 _a685p.
999 _c47650
_d47650