ALTINER, D. And ALTINER, S. 1991. Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary. Geologica Romana , vol.28 , 215-235.

ALTINER, D., & ALTINER, S., (1991). Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary. Geologica Romana , vol.28, 215-235.

ALTINER, Demir, And SEVİNÇ ALTINER. "Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary," Geologica Romana , vol.28, 215-235, 1991

ALTINER, Demir And ALTINER, SEVİNÇ. "Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary." Geologica Romana , vol.28, pp.215-235, 1991

ALTINER, D. And ALTINER, S. (1991) . "Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary." Geologica Romana , vol.28, pp.215-235.

@article{article, author={Demir ALTINER And author={SEVİNÇ ALTINER}, title={Calpionellid zonation in Northwestern Anatolia Turkey and calibration of the stratigraphic ranges of some benthic foraminifera t the Jurassic Cretaceous boundary}, journal={Geologica Romana}, year=1991, pages={215-235} }