@article{Devide_2009, title={James G. Ogg, Gabi Ogg, Felix M. Gradstein "The Concise Geologic Time Scale"}, volume={68}, url={https://www.abc.botanic.hr/index.php/abc/article/view/289}, number={1}, journal={Acta Botanica Croatica}, author={Devide, Zvonimir}, year={2009}, month={Oct.} }