por Reeder, Richard J [editor] | Barber, David J [autor].
por Alonso-Zarza, Ana María, 1962- [editor] | Tanner, Lawrence H [editor].
por Scoffin, Terence P [autor].
por Cook, Harry E [autor] | Hine, Albert C [autor] | Mullins, Henry T [autor] | Society of Economic Paleontologists and Mineralogists.