Responses to reversed NH3 and NH4+ gradients in a teleost (Ictalurus punctatus), an elasmobranch (Raja erinacea), and a crustacean (Callinectes sapidus): Evidence for NH4+/H+ exchange in the teleost and the elasmobranch. Journal of Experimental Zoology, 239(2), 183–196
DOI: 10.1002/jez.1402390206
Regulation of the ventilation-perfusion ratio in the gills of Dasyatis sabina and Squalus suckleyi. Comparative Biochemistry and Physiology – Part A, Physiology, 39(3), 505–519
DOI: 10.1016/0300-9629(71)90314-8