000 00468nam a22001697a 4500
003 OSt
005 20191226215739.0
008 140725b xxu||||| |||| 00| 0 eng d
020 _a9241572264
060 _aWA 30 E 2002
245 _aEnvironmental health criteria 226 :
260 _aGeneva.
_bWorld health organization.
_c2002.
300 _axxi,201 p.
_bill.
_c21 cm.
650 _aEnvironmental health.
700 _aWorld health organization
942 _2NLM
_cWHO PUB
999 _c4239
_d4239