000 00269pam a2200109a 44500
008 230405s2018 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aPROF . M.K GUPTA
245 _aENVIRONMENTAL SCIENCES
260 _a
_bNIRALI PRAKASHAN PUNE
_c2018
906 _a5372
999 _c280643
_d280643