USTAÖMER, P. A. 1999. The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana. EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova .

USTAÖMER, P. A., (1999). The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana . EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova

USTAÖMER, Petek. "The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana," EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova, 1999

USTAÖMER, Petek A. . "The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana." EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova , 1999

USTAÖMER, P. A. (1999) . "The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana." EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova .

@conferencepaper{conferencepaper, author={Petek Ayda USTAÖMER}, title={The Bolu Massif: Remnant of a pre-Early Ordovician Cadomian active margin in the West Pontides, N Turkey. Cadomian-Baikalian-Pan-African Events in Eurasia and Gondwana}, congress name={EUG (European Union of GeoSciences Meeting, Strasbourg), Terra Nova}, city={}, country={}, year={1999}}