Animal care and management at the National zoo interim report / [electronic resource] :
Committee on a Review of the Smithsonian Institution's National Zoological Park.
- Washington, D.C. : National Academic Press, c2004.
- xiv, 128 p. : ill.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.