Hamlett, W.C. & Kormanik, G. & Storrie, M. & Stevens, B. & Walker, T.I. (2005)
Chondrichthyan parity, lecithotrophy and matrotrophy.
In W.C. Hamlett (Ed.), Reproductive biology and phylogeny of chondrichthyes: sharks, rays and chimaeras, Vol. 3 (pp. 395–434). Science Publishers, Endfield, USA
