Morten Tønnessen
Articles
XWhat can be known about future Umwelten?
2019
The American Journal of Semiotics 35/3-4
The ontogeny of the embryonic, foetal and infant human umwelt
2014
Sign systems studies 42/2-3
Abstraction, cruelty and other aspects of animal play (exemplified by the playfulness of Muki and Maluca)
2009
Sign systems studies 37/3-4
Umwelt transitions: Uexküll and environmental change
2009
Biosemiotics 2/1
Umwelt ethics
2003
Sign systems studies 31/1