000			00324nam a2200145Ia 4500
008			220926s9999 xx 000 0 und d
100			_aR.D.Sharma
245		0	_aEcology and Environment
250			_a-
260			_a-
260			_bRastogi Publication
260			_c0
650			_aEcology and Environment
942			_cBK
999			_c14598 _d14598