Kaynaklar

Shu, D.-G. . . . S.C. Morris, et al. Lower Cambrian vertebrates from south China. Nature 402(Nov. 4):42.

Janvier, P. 1999. Catching the first fish. Nature 402(Nov. 4):21.

Science News, Vol. 156, No. 19, November 6, 1999, p. 292

Wellman, C. H. & gray, J. The microfossil record of early land plants. Philosophical Transaction of the Royal Society of London B 355, 717-732 (2000).

Jane Gray and William Shear. (1992). Early life on land.

American Scientist 80(5): 444-456.

Paton, R.L., T.R. Smithson, and J.A. Clack. 1999. An amniote-like skeleton from the early Carboniferous of Scotland. Nature 398(April 8):508.

Ahlberg, P.E., and A.R. Milner. 1994. The origin and early diversification of tetrapods. Nature 368(April 7):507.

Daeschler, E.B., and N. Shubin. 1998. Fish with fingers? Nature 391(Jan. 8):133.

From Science News, Vol. 155, No. 21, May 22, 1999, p. 328.s

 

Geri dönmek için tıklayın.