Systematics and ecology of the sea urchin genus Centrostephanus (Echinodermata:Echinoidea) from the Atlantic and eastern Pacific oceans /
Pawson, David L. 1938-
Systematics and ecology of the sea urchin genus Centrostephanus (Echinodermata:Echinoidea) from the Atlantic and eastern Pacific oceans / David L. Pawson and John E. Miller. - Washington : Smithsonian Institution Press, 1983. - iii, 15 p. : ill. ; 26 cm. - Smithsonian contributions to the marine sciences ; no. 20 .
Systematics and ecology of the sea urchin genus Centrostephanus (Echinodermata:Echinoidea) from the Atlantic and eastern Pacific oceans / David L. Pawson and John E. Miller. - Washington : Smithsonian Institution Press, 1983. - iii, 15 p. : ill. ; 26 cm. - Smithsonian contributions to the marine sciences ; no. 20 .