Coward, H. F. <br/><br/>
Limits of inflammability of gases and vapors   
by H. F. Coward and G. W. Jones 
 - 1st ed. 
 - Washington  United States Goverment Printing Office  1939 
 - ix, 146p. 
 - United States deparmtment of the interior, Bureau of mines, Bulletin  279 .
<br/><br/><label>Dewey Class. No.: </label>622.8  / N39