000 00321nam a2200145Ia 4500
008 200208s9999 xx 000 0 und d
082 _aGL 573
245 0 _aSociety and the environment
260 _aMoscow
260 _bProgress Publishers
260 _c1946
300 _a174p.
650 _aecology
942 _cB
999 _c193658
_d193658