000 00266nam a2200109Ia 4500
100 _aW.H.O.T.R.S.777
942 _cBK
245 _aEpidemiology of work related diseases and accidents
260 _aW.H.O., Geneva
_c1989
082 _aR614.49/WHO/TRS W.H
300 _a71
999 _c66078
_d66078