Wan, Mingli, Yang, Wan, and Wang, Jun. Sclerospiroxylon xinjiangensis nov. sp., a gymnospermous wood from the Kungurian (lower Permian) southern Bogda Mountains, northwestern China: Systematics and palaeoecology. Retrieved from https://par.nsf.gov/biblio/10109133. Geobios 52.C Web. doi:10.1016/j.geobios.2018.11.005.

Wan, Mingli, Yang, Wan, & Wang, Jun. Sclerospiroxylon xinjiangensis nov. sp., a gymnospermous wood from the Kungurian (lower Permian) southern Bogda Mountains, northwestern China: Systematics and palaeoecology. Geobios, 52 (C). Retrieved from https://par.nsf.gov/biblio/10109133. https://doi.org/10.1016/j.geobios.2018.11.005

Wan, Mingli, Yang, Wan, and Wang, Jun. "Sclerospiroxylon xinjiangensis nov. sp., a gymnospermous wood from the Kungurian (lower Permian) southern Bogda Mountains, northwestern China: Systematics and palaeoecology". Geobios 52 (C). Country unknown/Code not available. https://doi.org/10.1016/j.geobios.2018.11.005. https://par.nsf.gov/biblio/10109133.

@article{osti_10109133,
place = {Country unknown/Code not available}, title = {Sclerospiroxylon xinjiangensis nov. sp., a gymnospermous wood from the Kungurian (lower Permian) southern Bogda Mountains, northwestern China: Systematics and palaeoecology}, url = {https://par.nsf.gov/biblio/10109133}, DOI = {10.1016/j.geobios.2018.11.005}, abstractNote = {}, journal = {Geobios}, volume = {52}, number = {C}, author = {Wan, Mingli and Yang, Wan and Wang, Jun}, }