000 00446nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a331.82
_bIn61G
110 _aInternational Labour Office
245 _aGuide to the prevention and suppression of dust in mining,tunnelling and quarrying
260 _aGeneva
_bILO
_c1965
300 _axviii,421p.
650 _aLabor economics
942 _cBK
999 _c58323
_d58323