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