A. R. Schmidt, V. Perrichot, M. Svojtka, K. B. Anderson, K. H. Belete, R. Bussert, H. Dorfelt, S. Jancke, B. Mohr, E. Mohrmann, P. C. Nascimbene, A. Nel, P. Nel, E. Ragazzi, G. Roghi, E. E. Saupe, K. Schmidt, H. Schneider, P. A. Selden, N. Vavra,
Cretaceous African life captured in amber Proceedings of the National Academy of Sciences of the United States of America. ,vol. 107, pp. 7329- 7334 ,(2010) ,
10.1073/PNAS.1000948107