USTAÖMER, P. A. And Rogers, G. 1999. The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey. GEOLOGICAL MAGAZINE , vol.136, no.5 , 579-592.

USTAÖMER, P. A., & Rogers, G., (1999). The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey. GEOLOGICAL MAGAZINE , vol.136, no.5, 579-592.

USTAÖMER, Petek, And G. Rogers. "The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey," GEOLOGICAL MAGAZINE , vol.136, no.5, 579-592, 1999

USTAÖMER, Petek A. And Rogers, G.. "The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey." GEOLOGICAL MAGAZINE , vol.136, no.5, pp.579-592, 1999

USTAÖMER, P. A. And Rogers, G. (1999) . "The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey." GEOLOGICAL MAGAZINE , vol.136, no.5, pp.579-592.

@article{article, author={Petek Ayda USTAÖMER And author={G. Rogers}, title={The Bolu Massif: remnant of a pre-Early Ordovician active margin in the west Pontides, northern Turkey}, journal={GEOLOGICAL MAGAZINE}, year=1999, pages={579-592} }