Per Jensen

The ethology of domestic animals

INNOVATIONS IN THE REFLECTING PROCESS: THE INSPIRATIONS OF TOM ANDERSEN; ED. BY HARLENE ANDERSON

The Behavioural Biology of Dogs

The Ethology of Domestic Animals

The ethology of domestic animals : an introductory text - 3. edición

Etología de los animales domésticos

Confinement and continuous noise as environmental factors affecting communication in the domestic pig

Working with Spirituality in Family Systemic Practice

Innovations in the Reflecting Process

Systematic Thinking and Practice