Literature references

2 literature references:

Author: FAO-FIES
Year: 2017
Title: Aquatic Sciences and Fisheries Information System (ASFIS) species list.
Source: Retrievef from http://www.fao.org/fishery/collection/asfis/en (accessed 08/06/2017).
Author: Stehmann, M. and D.L. Bürkel
Year: 1984
Title: Rajidae.
Source: p. 163-196. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and Mediterranean. UNESCO, Paris. vol. 1.