The relative ignition risk of coal dust clouds by permitted explosives
By: by H.C. Grimshaw
Contributors: International Conference of Directors of Mine Safety Research (9th : 1956 : Heerlen, Netherlands; Brussels, Belgium)
Series: Research report -- no. 132; Research report (Safety in Mines Research Establishment (Great Britain)) -- no. 132.
Publisher: Ministry of Fuel and Power, Safety in Mines Research Establishment
Published: 1956
Place of publication: Sheffield
Language: eng
Number of pages: 16
Subjects: Mines and mineral resources; Research
Notes: Title from cover.

"This paper has been prepared for presentation to the Ninth International Conference of Directors of Safety in Mines Research ..."

Includes bibliographical references (p. 16).