Savinskii, Igor’ Dmitrievich, <br/><br/>
Probability tables for locating elliptical for locating elliptical underground masses wiht a rectangular grid / 
Igor' Dmitrievich Savinskii 
 - 110 páginas 
<br/><br/> "authorized translation from the russian" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prospección
<br/><br/><label>LC Class. No.: </label>TN270  / S38