000 00244nam a22001097a 4500
050 _aMED RC347.5
_bH86
245 _aHuman exposure to lead
260 _aGeneva
_bUNEP
_c1991
300 _av, 216 p.
_bill, ;
650 _aHuman exposure
942 _cBK
999 _c5852
_d5852