Hughes, G.M. & Umezawa, S.I. (1968)
Oxygen consumption and gill water flow in the dogfish Scyliorhinus canicula L. Journal of Experimental Biology, 49(3), 557–564
Hughes, G.M. & Ballintijn, C.M. (1965)
The muscular basis of the respiratory pumps in the dogfish (Scyliorhinus canicula). Journal of Experimental Biology, 43(2), 363–383