Clarke, J.A., Zhou, Z. and Zhang, F. (2006). «Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui.» Journal of Anatomy, 208(3): 287–308. DOI:10.1111/j.1469-7580.2006.00534.xPMID 16533313PDF fulltext[недоступне посилання з 01.10.2019]Electronic Appendix
doi.org
dx.doi.org
Clarke, J.A., Zhou, Z. and Zhang, F. (2006). «Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui.» Journal of Anatomy, 208(3): 287–308. DOI:10.1111/j.1469-7580.2006.00534.xPMID 16533313PDF fulltext[недоступне посилання з 01.10.2019]Electronic Appendix
nih.gov
ncbi.nlm.nih.gov
Clarke, J.A., Zhou, Z. and Zhang, F. (2006). «Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui.» Journal of Anatomy, 208(3): 287–308. DOI:10.1111/j.1469-7580.2006.00534.xPMID 16533313PDF fulltext[недоступне посилання з 01.10.2019]Electronic Appendix
web.archive.org
Clarke, J.A., Zhou, Z. and Zhang, F. (2006). «Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui.» Journal of Anatomy, 208(3): 287–308. DOI:10.1111/j.1469-7580.2006.00534.xPMID 16533313PDF fulltext[недоступне посилання з 01.10.2019]Electronic Appendix