Doncheva, M. Stratigraphic traps in the lower-middle jurassic sediments from Central North Bulgaria,
, 1998, p. 7-11.
Doncheva, M. .
Stratigraphic traps in the lower-middle jurassic sediments from Central North Bulgaria.
София: , 1998, p. 7-11.
Doncheva, M. (1998)
Stratigraphic traps in the lower-middle jurassic sediments from Central North Bulgaria,
София: , p. 7-11
Doncheva, M.
(1998).
Stratigraphic traps in the lower-middle jurassic sediments from Central North Bulgaria. Геология и минерални ресурси. София: 5 (5-6), p. 7-11.
