@article {6596, title = {The Recent Mollusca of Augustus Addison Gould: Illustrations of the types described by Gould with a bibliography and catalog of his species}, journal = {Smithsonian Institution, United States National Museum. Bulletin}, volume = {239}, year = {1964}, keywords = {bivalvia, mollusca, pinctada, Pteria, pteriidae, pterioida, pterioidea, taxonomy}, author = {Johnson, Richard I.} } @article {1275, title = {The Recent Mollusca of Augustus Addison Gould: Illustrations of the types described by Gould with a bibliography and catalog of his species}, journal = {Smithsonian Institution, United States National Museum. Bulletin}, volume = {239}, year = {1964}, keywords = {bivalvia, mollusca, pinctada, Pteria, pteriidae, pterioida, pterioidea, taxonomy}, author = {Johnson, Richard I.} }