000 00401nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a331.82
_bSch334
245 _aModern trends in occupational health
260 _aLondon
_bButterworth
_c1960
300 _ax,314,13p.
650 _aLabor economics
700 _aSchilling R S F
_4ed.
942 _cBK
999 _c46885
_d46885