000 00490 a2200169 4500
080 _a577.4(03)
_bE 19
245 1 _aEncyclopaedia of ecology, environment & pollution control
_cedited by R. Swarup, et. al.
260 _aNew Delhi
_bMittal Publications
_c1992
650 _aEcology
650 _aEnvironment
650 _aPollution Control
700 _aSwarup, R., ed.
500 _aVol. 17 : Environmental air and water analysis
100 _a
_d
300 _a311 p.
901 _a200734
999 _c70815
_d70815