Vol. 237, Issue 11, 1939November 01, 1939 EDT
The Oldest Vertebrate Egg
The Oldest Vertebrate Egg
Alfred Sherwood Romer, Llewellyn Ivor Price,
Romer, A. S., & Price, L. I. (1939). The oldest vertebrate egg. American Journal of Science, 237(11), 826–829. https://doi.org/10.2475/ajs.237.11.826