Hertzberg, Martin. <br/><br/>
Optical detection of fires and explosions :  an infrared system for methane-air ignitions / 
by Martin Hertzberg and Charles D. Litton. 
 - [Washington] :  U.S. Dept. of the Interior, Bureau of Mines,  [1975] 
 - [3], 23 p. :  ill. 
 - Report of investigations ;  8035 .
 - United States.  Bureau of Mines.  Report of investigations ;  8035. .
 - Report of investigations (United States. Bureau of Mines) ;  8035 .
<br/><br/> Item 637-A 
<br/><br/><label>LCCN: </label>91055193     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine fires.<br/>Mine explosions.