APA Citation

(1989). Geologica Rhodopica: 1st Bulgarian -Greek Symposium Smolyan, 1987. Sofia: Kliment Ohridski University.

Chicago Style Citation

Geologica Rhodopica: 1st Bulgarian -Greek Symposium Smolyan, 1987. Sofia: Kliment Ohridski University, 1989.

MLA Citation

Geologica Rhodopica: 1st Bulgarian -Greek Symposium Smolyan, 1987. Sofia: Kliment Ohridski University, 1989.

Warning: These citations may not always be 100% accurate.