Johansson, S. R.; Johnsson, L. B.; Strid, K. G. A.
view article (9.992496)
Method of Determining the Risk of Explosion of a Preferably Gaseous Medium and Apparatus for Carrying Out This Method.
Industrilaboratoriet AB, Jonkoping, Sweden
U.S. Patent 3,768,313,
October 30, 1973,
13 p.