Upper Permian (Changxingian) radiolarian cherts within the clastic successions of the Karakaya Complex in NW Anatolia
GÖNCÜOĞLU, M. Cemal ; TURHAN, Necati ; KUWAHARA, Kiyoko ; TEKİN, U. Kağan
Turkish journal of earth sciences, 2004-08, Vol.13 (2), p.201-213 [Periódico revisado por pares]TÜBİTAK
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