Evans, R.E. & Ford, P. (1976)
Alkaline phosphatase isozyme patterns and histochemistry in adult and differentiating skate spiral valve. Canadian Journal of Zoology, 54(9), 1459–1465
DOI: 10.1139/z76-169
Ford, P. (1971)
Differential Growth Rate in the Tail of the Pacific Big Skate, Raja binoculata. Journal of the Fisheries Research Board of Canada, 28(1), 95–98
DOI: 10.1139/f71-013