000			00358 a2200121 4500
020			_a9788131805770
082			_a363.7 SHA/Env
100			_aSharma, J.P.
245			_aEnvironment and ecology _cJ.P.Sharma
260			_aNew Delhi: _bUniversity Science Press; _c2011
300			_avi; 238 p. _bPaperback, _c24 cm.
500			_aIncludes glossary and abbreviations.
999			_c109949 _d109949