Kaiser, K. M. <br/><br/>
Study of mine ventilation standards / 
K. M. Kaiser, P. K. Mitra and K. N. Sinha 
 - Dhanbad :  Central Mining Research Station,  1967 
 - 52 p. :  ill. ;  21 cm. 
 - Reference Central Mining Research Station-V14/44 .
<br/><br/><label>Dewey Class. No.: </label>622.(54)