Ghatak, S <br/><br/>
Mine Surveying And Leveling Vol-Iii 

 - 7 
 - Asansol  Coalfield Publishers  2009 
 - 262 
<br/><br/> Mine,Surveying,and,Leveling,Vol-III,Mine Surveying and Leveling 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mine Surveying and Leveling