The health hazard of shales used for stone dusting
By: by G. Nagelscmidt & A.L. Godbert
Contributors: Nagelschmidt, G.
Series: Research reports series -- no. 19; Research report (Safety in Mines Research Establishment (Great Britain)) -- no. 19.
Publisher: Safety in Mines Research Establishment
Published: 1951
Language: eng
Number of pages: 15
Notes: Mimeographed.