Paleoepidemiology of Porotic Hyperostosis in the Libben and Bt-5 Skeletal PopulationsPublished in Kirtlandia, in 1991, in volume 46, pages 1-47North American Late Devonian Cephalopod AptychiPublished in Kirtlandia, in 1991, in volume 46, pages 49-71
North American Late Devonian Cephalopod AptychiPublished in Kirtlandia, in 1991, in volume 46, pages 49-71