Ahlberg, P. E.
Fossil fish and early tetrapod evolution (Natural History Museum [London]).
Clack, J.
Early tetrapod evolution (Univ. Cambridge, Mus. of Zoology).
Laurin, M.
The origin and phylogeny of tetrapods (Université Paris).
Sues, H-D.
Triassic and Early Jurassic tetrapod paleobiology, University of Toronto.