000 00270nam a22000977a 4500
999 _c331316
_d331316
020 _a8174884378
082 _a363.7063
_bCHH
245 _aEncyclopaedia of environmental analysis
_cEdited by G R Chhatwal.
260 _aNew Delhi:
_bAnmol Publications,
_c1997.
942 _cBK