Heptasteornis (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heptasteornis" in Czech language version.

refsWebsite

Global rank Czech rank

1,747^th place

945^th place

umd.edu

geol.umd.edu

Holtz, Thomas R., Jr.; Rey, Luis V. (2007). Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages (Aktualizovaný internetový dodatek). New York: Random House. ISBN 978-0-375-82419-7.