01151cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035002000092040002900112050003100141060001900172082001500191111007300206245009600279260002600375300002100401490009400422500005100516505010800567650001500675650002200690650002200712710003300734810009400767l  31000072 DLC20260227111533.0820221s1930    xx a          100 0 engd   al  31000072   a(OCoLC)14741256  aDLCcDNLMdOCdNcRSdDLC00aHD4813b.I4 ser. F, no. 130 aW3bIN192 1930  a331.8220612 aInternational Conference on Silicosisn(1st :d1930 :cJohannesburg)10aSilicosis; records of the International Conference held at Johannesburg, 13-27 August 1930.  aLondon,bKing,c1930.  aiv, 692 p.bill.1 aInternational Labour Office.    Studies and reports.  Ser. F. Industrial hygiene,vno. 13  aAt head of title: International Labour Office.0 apt. I. Report of proceedings.--pt. II. Papers presented to the conference.--[pt.3] Resolutions adopted. 0aSilicosis. 0aMinersxDiseases. 0aMiners' phthisis.2 aInternational Labour Office.2 aInternational Labour Office.tStudies and reports.  Ser. F. Industrial hygiene ;vno. 13.