000 00270nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a628
_bKHA
100 _a KHAN (R.R.)
245 0 _aEnvironment and Metal Pollutions
260 _bABD PUBLICATION
_a JAIPUR
942 _cBK
999 _c1618
_d1618