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By: Barbour, Clyde D - Contreras Balderas, SalvadorType: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 81Series:Issue:Date: 1968Page Range: 101--108Publication Info: Washington, Biological Society of Washington,Subjects:
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By: Ruiz-Campos, Gorgonio - Contreras Balderas, Salvador - Andreu-Soler, Asunción - Varela Romero, Alejandro - Campos, ErnestoType: ArticleIn: Revista mexicana de biodiversidadVolume:Series:Issue:Date: 2012-03-01Page Range:Publication Info:Subjects:
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By: Contreras Balderas, Salvador - Verduzco-Martínez, JorgeType: ArticleIn: Transactions of the San Diego Society of Natural HistoryVolume: 18Series:Issue:Date: 1977Page Range: 259--266Publication Info: [San Diego], The Society, 1905-1989Subjects:
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By: Valdez-Moreno, Martha E - Contreras Balderas, SalvadorType: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 116Series:Issue:Date: 2003Page Range: 341--355Publication Info: Washington, Biological Society of Washington,Subjects: