1. Size and shape in ontogeny and phylogeny;Alberch;Paleobiology,1979
2. Size, function and life history;Calder,1984
3. The evolution of the Jurassic ammonite family Cardioceratidae;Callomon;Spec. Papers Palaeont.,1985
4. Punctuated equilibria: an alternative to phyletic gradualism;Eldredge,1972