Slavkov, Ivan,  1940- <br/><br/>
Thirty-five years / 
Ivan Slavkov 
 - Sofia :  Sofia-Press,  1979 
 - 156 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Bulgaria--History--1944-1990
<br/><br/><label>Dewey Class. No.: </label>949.77