000 00272cas a2200109 a 4500
020 _a9789241572385
050 0 0 _aMED RA427
_bE97
245 0 0 _aEnvironmental health criteria.
260 _aGeneva :
_bWorld Health Organization,
_c2007
300 _axxi,519pg.
_bill,
942 _cBK
999 _c7689
_d7689