Palynological study of Coal from the Zalenigrad Mine, Belograd Region.
Foreign title:
Palinolozhi Izledvaniya na Vuglishchata ot Mina Zalenigrad Pri Belogradchik .(Bulgarian)
Reference:
Chernyavska,S. (1960)
Palynological study of Coal from the Zalenigrad Mine, Belograd Region. [ Palinolozhi Izledvaniya na Vuglishchata ot Mina Zalenigrad Pri Belogradchik .(Bulgarian) ] Bulgarska Akademiya na Naukite, Geologicheski Institut, Trudove vurkhu Geologiyata na Bulgariya, Seriya Paleontologiya
Vol. 2 P. 334- 365