Pynciau a Argymhellir O fewn eich chwiliad
Pynciau a Argymhellir O fewn eich chwiliad
-
1Cyhoeddwyd 1969Sofii︠a︡ : Izd-vo na Bŭlgarska akademii︠a︡ na naukite, 1969-1974.6 v. : ill., maps (some folded) ; 24 cm.Pynciau: “...Geology, Structural Bulgaria Periodicals....”
-
2Cyhoeddwyd 1959Sofi︠i︡a : Minno delo, -1959.v. : ill. ; 24 cm.Pynciau: “...Mining engineering Periodicals....”
-
3Sofi︠i︡a : [s.n.],v. : ill. ; 28 cm.Pynciau: “...Mining engineering Periodicals....”
-
4Sofi︠i︡a.v. ill., maps. 24 cm.Pynciau: “...Iron industry and trade Bulgaria Periodicals....”