References

Barthel, K.W. Solnhofen; A study in Mesozoic palaeontology. Cambridge University Press; 1990.


Colbert, Edwin H. The Dinosaur Book: The Ruling Reptiles and Their Relatives. The American Museum of Natural History; 1951.


Kurten, Bjorn. The Age of Dinosaurs. McGraw-Hill Book Company; 1968.


Lemon, Roy R. Vanished Worlds: An Introduction to Historical Geology. Wm. C. Brown Publishers; 1993.


Padian, Kevin and Luis M. Chiappe. "The Origin of Birds and Their Flight." Scientific American; February 1998.


Swinton, W.E. Fossil birds. British Museum (Natural History); 1975.

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