Hanson, D. & Johansen, K. (1970)
Relationship of Gill Ventilation and Perfusion in Pacific Dogfish, Squalus suckleyi.
Journal of the Fisheries Research Board of Canada, 27(3), 551–564 DOI: 10.1139/f70-058
Satchell, G.H. & Hanson, D. & Johansen, K. (1970)
Differential Blood Flow Through the Afferent Branchial Arteries of the Skate, Raja rhina.
Journal of Experimental Biology, 52(1), 721–726