Jesper Hoffmeyer
Artikeln
XThe IASS roundtable on biosemiotics
2008
The American Journal of Semiotics 24/1-3
2005
Sign systems studies 33/2
Uexkülli "plaanipärasus". kokkuvõte
2004
Sign systems studies 32/1-2
2004
Sign systems studies 32/1-2
2002
Sign systems studies 30/1
2001
Sign systems studies 29/1