000			00413nam a2200157Ia 4500
008			150317s9999 xx 000 0 und d
020			_a8120202635
080			_a577.4 _bDRE-E
100			_aDreyer, Oleg
245			_aEcological problems of developing countries
260			_c1989 _aDelhi _bAjanta Publication
300			_aix, 230p.
650			_aEcology
700			_aBella Los Victor Los
942			_2udc _cBK
999			_c8213 _d8213