Tihelka, Erik books & textbook
Fossil News: The Journal of Avocational Paleontology: Volume 22.3 (Fall 2019)
Ricketts, Wendell Musmarra, Nando Tihelka, Erik Sorensen, Seth Sibbick, John
FourCats Press /2019-10-27 Paperback / 51 Pages
isbn-10: 1732044295 / isbn-13: 9781732044296