Piiper, J. & Baumgarten, D. & Meyer, M. (1970)
Effects of hypoxia upon respiration and circulation in the dogfish Scyliorhinus stellaris. Comparative Biochemistry and Physiology, 36(3), 513–520
DOI: 10.1016/0010-406X(70)91027-3
Piiper, J. & Baumgarten, D. (1968)
(Analysis of brachial gaseous exchange in an elasmobranch fish: Scyliorhinus stellaris). Journal de Physiologie, 60(2), 518