000 00609nam a22002057a 4500
999 _c148860
_d148859
005 20201120085301.0
008 201012b ||||| |||| 00| 0 eng d
020 _a9241700807
041 _aEN
082 _223
_a363.7384
_bWOR
110 _983692
_aWorld Health Organization
245 _aEvaluation of exposure to airborne particles in the work environment
260 _aGeneva:
_bWorld Health Organization;
_c1984
300 _aVaried pagination
440 _9109077
_aWHO offset publication No.80
500 _aIncludes reference.
509 _aNS
650 4 _9503
_aAir pollution
942 _cPR