Jaśkowski, J. and Kołaczkowski , Z. 1974. Anthropomorfology of extensor muscles of carpus, the long and short radial (mm. extensores carpi radiales longus et brevis) in fetuses . Anthropological Review. 40, 1 (Jun. 1974), 47–54. DOI:https://doi.org/10.18778/1898-6773.40.1.07.