Exploration geophysics 
/ Fifteenth annual convention and seminar...................11-13th December, 1989 
 - Hyderabad:   Surror Printing Press,   1989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seminar
<br/><br/><label>Universal Decimal Class. No.: </label>550.3(082.2)  / M9