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The reproductive cycle of the smooth skate, Malacoraja senta, in the Gulf of Maine. Marine and Freshwater Research, 58(1), 98–103
DOI: 10.1071/MF05178

Sulikowski, J.A. & Kneebone, J. & Elzey, S. & Jurek, J. & Howell, W.H. & Tsang, P.C.W. (2006)
Using the composite variables of reproductive morphology, histology and steroid hormones to determine age and size at sexual maturity for the thorny skate Amblyraja radiata in the western Gulf of Maine. Journal of Fish Biology, 69(5), 1449–1465
DOI: 10.1111/j.1095-8649.01207.x

Sulikowski, J.A. & Kneebone, J. & Elzey, S. & Danley, P. & Howell, W.H. & Tsang, P.C.W. (2005)
The reproductive cycle of the thorny skate, Amblyraja radiata, in the Gulf of Maine. Fishery Bulletin, 103(3), 536–543

Sulikowski, J.A. & Kneebone, J. & Elzey, S. & Danley, P. & Howell, W.H. & Tsang, P.C.W. (2005)
Age and growth estimates of the thorny skate, Amblyraja radiata, in the Gulf of Maine. Fishery Bulletin, 103(1), 161–168

Sulikowski, J.A. & Elzey, S. & Kneebone, J. & Tsang, P.C.W. (2005)
The reproductive cycle of the smooth skate, Malacoraja senta, in the western Gulf of Maine [Abstract]. American Elasmobranch Society 21th Annual Meeting, Tampa, Florida

Sulikowski, J.A. & Kneebone, J. & Elzey, S. & Howell, H. & Tsang, P.C.W. (2005)
Determination of age and size at sexual maturity for the thorny skate, Amblyraja radiata, using morphological, histological and steroid hormone analyses [Abstract]. American Elasmobranch Society 21th Annual Meeting, Tampa, Florida

Sulikowski, J. & Kneebone, J. & Elzey, S. & Danley, P. & Howell, H. & Tsang, P. (2004)
The reproductive cycle of the Thorny Skate, Amblyraja radiata, from the western Gulf of Maine [Abstract]. American Elasmobranch Society 20th Annual Meeting, Norman, Oklahoma