Naturwiss. Rundsch. 45, 107-108. Kurochkin, 1992. The oldest bird. [in Russian]. Priroda. 1992, 100-101. Peters, 1994. Die Entstehung der Vogel-Verandern die jungsten Fossilfunde das Modell? In Gutmann et al. (eds.). Morphologie und evolution. Frankfurt. 403-424. Chatterjee, 1995. The Triassic bird Protoavis. Archaeopteryx. 13, 15-31. Chiappe, 1995. The first 85 million years of avian evolution. Nature. 378, 349-355. Kurochkin, 1995. Synopsis of Mesozoic birds and early evolution of Class Aves. Archaeopteryx. 13, 47-66. Feduccia, 1996. The Origin and Evolution of Birds. Yale University Press. 420 pp. Ostrom, 1996. The Questionable Validity of Protoavis. Archaeopteryx. 14, 39-42. Chatterjee, 1997. The Rise of Birds: 225 Million Years of Evolution. Johns Hopkins University Press. 312 pp. Sereno, 1997. The origin and evolution of dinosaurs. Annual Review of Earth and Planetary Sciences. 25, 435-489. Chatterjee, 1998. The avian status of Protoavis. Archaeopteryx. 16, 99-122. Dyke i Thorley, 1998. Reduced cladistic consensus methods and the inter-relationships of Protoavis, Avimimus, and Mesozoic birds. Archaeopteryx. 16, 123-129. Hunt, A.P., S.G. Lucas, A.B. Heckert, R.M. Sullivan and M.G. Lockley. 1998. Late Triassic dinosaurs from the western United States. Geobios, 31(4):511-531. Chatterjee, 1999.