Bajpayee, T. S. <br/><br/>
Overlap probability for short-period-delay detonators used in underground coal mining / 
by T.S. Bajpayee, Richard J. Mainiero, and J. Edmund Hay. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1985. 
 - 18 p. :  ill. ;  28 cm. 
 - Report of investigations / Bureau of Mines ;  8888 .
 - Report of investigations (United States. Bureau of Mines) ;  8888. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>85600060  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric detonators.<br/>Blasting.<br/>Coal mines and mining.
<br/><br/><label>LC Class. No.: </label>TN23  TN803  / .U43 no. 8888 
<br/><br/><label>Dewey Class. No.: </label>622 s  622/.334 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:8888