000 00347nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a8170416825
041 _aen
082 _a363.7
100 _aTRIVEDI R.N.
245 2 _aA text book of environmeutal science
260 _aNew Delhi
_bAnmol Pub..
_c1993
300 _aix, 410p
942 _cPR
999 _c48196
_d48196