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By: Brignoli, Paolo Marcello, - Carico, James E. - Coyle, Frederick A. - Cutler, Bruce, - Dondale, Charles D. - Forster, Raymond R., - Francke, Oscar F. - Galiano, María Elena - Gertsch, Willis John, - Kaston, B. J. (Benjamin Julian), - Kronestedt, Torbjörn - Levi, Herbert Walter, - Lowrie, Donald Charles, - Maury, Emilio A. - Millidge, A. F. (Alfred Frank) - Minch, Edwin W. - Murphy, John A. - Opell, Brent D. - Peck, William B. - Platnick, Norman I. - Raven, Robert J. - Redner, James H. - Reiskind, Jonathan. - Richman, David B. (David Bruce), - Roth, Vincent D. - Shadab, Mohammad Umar - Shear, William A. - Stahnke, Herbert L. (Herbert Ludwig), - Valerio, Carlos E. - Valerio, Carlos E. - Helsdingen, P. J. vanEdition:Publication info: 1981Volume:Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections:
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By: Helsdingen, P. J. vanType: ArticleIn: PsycheVolume: 80Series:Issue:Date: 1973Page Range: 48--61Publication Info: Cambridge, Mass, Cambridge Entomological Club,Subjects:
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By: Helsdingen, P. J. van - Thaler, Konrad, - Deltshev, ChristoType: ArticleIn: Tijdschrift voor entomologieVolume: 120Series:Issue:Date: 1977Page Range: 1--54Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,Subjects:
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By: Helsdingen, P. J. van - Nieukerken, Erik J. vanType: ArticleIn: Tijdschrift voor entomologieVolume: 132Series:Issue:Date: 1989Page Range: 161--162Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,Subjects:
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By: Helsdingen, P. J. van - Decae, Arthur E.Type: ArticleIn: Tijdschrift voor entomologieVolume: 135Series:Issue:Date: 1992Page Range: 169--178Publication Info: [Amsterdam], Nederlandse Entomologische Vereniging,Subjects:
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By: Helsdingen, P. J. vanType: ArticleIn: Arachnologische MitteilungenVolume: 33Series:Issue:Date: 2007Page Range: 36--37Publication Info: Basel, Arachnologische Gesellschaft,Subjects:
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By: Helsdingen, P. J. vanType: ArticleIn: Arachnologische MitteilungenVolume: 36Series:Issue:Date: 2008Page Range: 35--36Publication Info: Basel, Arachnologische Gesellschaft,Subjects:
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By: Helsdingen, P. J. vanType: ArticleIn: ZooKeysVolume: 16Series:Issue:Date: 2009Page Range: 301-308Publication Info: Pensoft Publishers 2009Subjects:
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By: Helsdingen, P. J. vanType: ArticleIn: Arachnologische MitteilungenVolume: 40Series:Issue:Date: 2011Page Range: 55--64Publication Info: Basel, Arachnologische Gesellschaft,Subjects:
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By: Helsdingen, P. J. vanType: ArticleIn: Arachnologische MitteilungenVolume: 43Series:Issue:Date: 2012Page Range: 58--62Publication Info: Basel, Arachnologische Gesellschaft,Subjects:
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By: Miller, Jeremy A. - Beentjes, Kevin - Helsdingen, P. J. van - IJland, StevenType: ArticleIn: ZooKeysVolume: 365Series:Issue:Date: 2013Page Range: 245-261Publication Info: Pensoft Publishers 2013Subjects: