Editore: Journal of Paleontology, Vol. 57, No. 4, 1983, Pp. 797 - 803., 1983
Da: Eryops Books, Stephenville, TX, U.S.A.
Condizione: Very Good. Reprint/offprint; no covers; in very good condition.
Editore: Great Basin Naturalist, Vol. 36, No. 2, 1976, Pp. 206 - 210., 1976
Da: Eryops Books, Stephenville, TX, U.S.A.
Condizione: Very Good. Reprint/offprint; no covers; in very good condition.