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  1. By: Geptner, V. G. (Vladimir Georgievich), - Nasimovich, A. A. - Bannikov, A. G. (Andrei╠ć Grigor╩╣evich), - Hoffmann, Robert S.
    Publication info: Washington, D.C. :Smithsonian Institution Libraries and National Science Foundation,1988-
    Holding Institution: Smithsonian Libraries
  2. By: Jones, J. Knox - Anderson, Sydney, - Hoffmann, Robert S.
    Publication info: Lawrence, Kan. :Museum of Natural History, University of Kansas,1976.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  3. By: Gromov, I. M. - Causey, Douglas - Hoffmann, Robert S. - Poliakov, I. IA.
    Publication info: Washington, D.C. :Smithsonian Institution Libraries :1992.
    Holding Institution: Smithsonian Libraries