Colman J. A. Geographical Variation in Fin Ray Numbers in the New Zealand Sand Flounder Rhombosolea plebeian (англ.) // New Zealand Journal of Marine and Freshwater Research. — 1976. — Vol. 10, iss. 3. — P. 485—497. — doi:10.1080/00288330.1976.9515631.
Colman J. A. Spawning and fecundity of two flounder species in the Hauraki gulf, New Zealand (англ.) // New Zealand Journal of Marine and Freshwater Research. — 1973. — Vol. 7, iss. 1—2. — P. 21—43. — doi:10.1080/00288330.1973.9515454.