In The Behaviour of Wolves, Dogs and Related Canids, Dr. Michael W. Fox, presented in 1971some of the first scientific research in the field which lay the ground work for the studies in more recent years by such luminaries as Ray Coppinger.
Poslušate lahko zvočne knjige, ki ste jih kupili v Googlu Play v brskalniku računalnika.
Bralniki e-knjig in druge naprave
Če želite brati v napravah, ki imajo zaslone z e-črnilom, kot so e-bralniki Kobo, morate prenesti datoteko in jo kopirati v napravo. Podrobna navodila za prenos datotek v podprte bralnike e-knjig najdete v centru za pomoč.