Krs, Miroslav. <br/><br/>
Two efficient geophysical methods suitable for prospecting of sulphides under desertt conditions. 

 - Cairo-EG :   Board,   1975. 
 - páginas 63-75 :   ilustraciones blanco y negro 
 - Irregular 
 - Vol. 19, no. 1 (1975) 
 - Egyptian Journal of Geology ;   no. 1 .
 - The National Information & Documentation Centre, NIDOC. .