books.google.it - Successor to the classic work in shark studies, The Elasmobranch Fishes by John Franklin Daniel (first published 1922, revised 1928 and 1934), Sharks, Skates, and Rays provides a comprehensive and up-to-date overview of elasmobranch morphology. Coverage has been expanded from anatomy to include modern...http://books.google.it/books/about/Sharks_Skates_and_Rays.html?hl=it&id=ON-sPP5rowwC&utm_source=gb-gplus-shareSharks, Skates, and Rays
