By Goto, H.E.
By Passmore, N. I
By Fernandes, A., Launert, E., Wild, H.
By Narchi, Nemer, Price, Lisa Leimar
By Prasher, I.B.
By Kitching, Ian J., Forey, Peter L., Humphries, Christopher J., Williams, David
By Lesk, Arthur
By Nielsen, Claus
By Kauffman, Stuart A.
By Kauffman
By Fernández-Armesto, Felipe
By Boucher, Douglas H.
By Daniel Dennett, Robert Aunger
By Hickman, Cleveland P., etc., Roberts, L.