1. Hardistry MW, Potter IC, The general biology of adult lampreys. In: Hardistry MW, Potter IC, editors. The biology of lampreys. vol. 1. New York: Academic Press; 1971. p. 127–206.
2. Review of the ecology of lampreys in northern Europe;Maitland;Can. J. Fish Aquat. Sci.,1980
3. Almeida PR, Silva HT, Quintella B. The migratory behaviour of the sea lamprey Petromyzon marinus L., observed by acoustic telemetry in the River Mondego (Portugal). In: Moore A, Russel I, editors. Advances in fish telemetry. Suffolk: CEFAS; 2000. p. 99–108.
4. 15α-Hydroxytestosterone produced in vitro and in vivo in the sea lamprey, Petromyzon marinus;Bryan;Gen. Comp. Endocrinol.,2003
5. Blood steroid profile and in vitro steroidogenesis by ovarian follicles and testis fragments of adult sea lamprey, Petromyzon marinus;Lowartz;Comp. Biochem. Physiol., Part A: Mol. Integr. Physiol.,2003