with Linask, L. , ture, 'Introduction: framing nature and culture', Sign systems studies 44 (1-2), 8-11.
with Sander, H. , tics, 'Urban trees as social triggers: the case of the ginkgo biloba specimen in Tallinn, Estonia', Sign systems studies 47 (1-2), 234-256.
with Remm, T. , 2018, 'Urban ecosemiotics of trees: why the ecological alien species paradigm has not gained ground in cities?', Sign systems studies 46 (2-3), 319-342.
, 2014a, 'Eduardo Kohn's guide to forest thinking', Sign systems studies 42 (1), 157-161.
, 2014b, 'The role of trust in binding the perspectives of guide dogs and their visually impaired handlers', Sign systems studies 42 (2-3), 376-398.
, 2011, 'Time-plans of the organisms: Jakob von Uexküll's explorations into the temporal constitution of living beings', Sign systems studies 39 (2-4), 37-56.
with Kull, K. , 2009, Review: , , Biosemiotics 2 (1), pp. 121-125.
with Maran, T. , Kull, K. , 2004a, 'Jakob von Uexküll centre, since 1993', Sign systems studies 32 (1-2), 375-378.