Young, Jin Mok <br/><br/>
Analytical and experimental studies of borehole seismic method ( microform) / 
by Young Jin Mok 
 - Ann Arbor, Mich. :  University Microfilms International,  1987 
 - 4 microfiches ; 11 X 15 cm. 
<br/><br/>Thesis (Ph.D.) - University of Texas at Austin, 1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seismic reflection method<br/>Seismic refraction method