Irani, M. C. <br/><br/>
Methane analyzer system to record continuously the methane content of coal mine ventilation air / 
by M.C. Irani, P.W. Jeran and D.H. Lawhead. 
 - Washington, D.C. :  U.S. Dept. of the Interior, Bureau of Mines,  1975. 
 - 14 p. :  ill. 
 - Report of investigations ;  8009 .
 - United States.  Bureau of Mines.  Report of investigations ;  8009. .
 - Report of investigations (United States. Bureau of Mines) ;  8009 .
<br/><br/><label>LCCN: </label>91055090     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methane--Analysis.<br/>Coal mines and mining--Safety measures.<br/>Mine ventilation.