Author:

Chernyavska,S.

Year:

1970

Title:

Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria.

Foreign title:

Sporopolenovi Zoni v Nyakoi Starotertsierni Vuglenocni sedimenti v Bulgariya.

Reference:

Chernyavska,S. (1970) Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. [ Sporopolenovi Zoni v Nyakoi Starotertsierni Vuglenocni sedimenti v Bulgariya. ] Bulletin of the Geological Institute,(Bulgarian Academy of Sciences) Vol. 19 P. 79- 100

Google Academy:

try to search by title in english or foreign title