000 00358nam a22001337a 4500
082 _a632.95 PES
100 _aInstitiute of chemistry ceylon
245 _aPesticide Residues in the environment
250 _aSeminar Reports
260 _aColombo
_bInstitiute of Chemistry Ceylon
_c2006
300 _a35
650 _aenvironment
_aseminar reports
942 _cBK
999 _c3282
_d3282