@book {211, title = {Les salamandres d{\textquoteright}Europe, d{\textquoteright}Asie et d{\textquoteright}Afrique du Nord}, year = {1969}, publisher = {Lechevalier}, organization = {Lechevalier}, address = {Paris}, author = {Thorn, R.} } @book {265, title = {Les salamandres de l{\textquoteright}Ancien Monde}, year = {2001}, publisher = {Boub{\'e}e}, organization = {Boub{\'e}e}, address = {Paris}, author = {Thorn, R. and Raffaelli, J.} }