Shanks, Niall: Animals and science: a guide to the debates. Santa Barbara, CA 2002. Internet: https://books.google.de/books?id=c2zlwCq1fogC&printsec=frontcover&dq=Animals+and+Science.+A+Guide+to+the+Debates.&hl=de&sa=X&ved=0ahUKEwj0iL7sg9TTAhXCMhoKHdsuBBEQ6AEIKTAA#v=onepage&q&f=false.