X-Ray diffraction study of echinoderm plates X-Ray diffraction study of echinoderm platesv. 1661147–1150Donnay, G. D. H. and Pawson, David L. 1969. "X-Ray diffraction study of echinoderm plates." Science, 166 1147–1150.More...ID: 13905Type: articleKeywords: NH-Invertebrate Zoology; si-staff; sci-nat-pnas; NMNH