000 00305nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a628.161
_bTRI
100 _aTrivedy,R.K
245 _aChemical and biological methods for water pollution studies
260 _bEnvironmental Publications
_aKarad
_c1986
999 _c132963
_d132963