George, T V; Vappicha, V N <br/><br/>
Survey (m) 

 -  State Institute of Languages, TVPM  1974 
 - 411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil engineering
<br/><br/><label>Dewey Class. No.: </label>S 624  GEO-S