SKRIVANEK, Frantisek Rubin, Josef <br/><br/>
Caves in Czechoslovakia 
/Frantisek Skrivanek, Josef Rubin 
 - [S.l]  Organizing committee of the sixth international congress of  1973 
 - 133 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>83577 
<br/><br/><label>Dewey Class. No.: </label>910.11  / SKR