The education of Koko

Francine Patterson & Eugene Linden ; photographs by Ronald H. Cohn
Bok · Språk ikke angitt · 1981

Utgitt	New York : Holt, Rinehart and Winston , c1981
Omfang	xiv, 224 s., pl. : ill.
Emner	Gorillas - Psychology. Human-animal communication. Sign language.
ISBN	0030461014