Bhattacharya.P.K. & Patra.H.P. <br/><br/>
Direct Current Geoelectric Sounding.(1968). 

 - 1st Ed. 
 -  Elsevier Publishing Company  1969 
 - 135p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIVI
<br/><br/><label>Index Terms--Genre/Form: </label><br/>H-12
<br/><br/><label>Dewey Class. No.: </label>23G-270  / BHA