Ajay Kumar Singh, Partha Narayan Hajra <br/><br/>
Coalbed Methane in India 

 - 1st ed. 2018 
 -  Springer International Publishing  2018 
 - SpringerBriefs in Energy .
<br/><br/><label>ISBN: </label>978-3-319-66465-1 
<br/><br/><label>ISSN: </label>2191-5539