Mäekivi, N. and Maran, T. 2016. Semiotic dimensions of human attitudes towards other animals: A case of zoological gardens. Sign Systems Studies, 44(1/2): 209–230.
Magnus, R. and Mäekivi, N. 2023. Ecosemiotic analysis of species reintroduction: the case of European mink (Mustela lutreola) in Estonia. Biosemiotics, 16(2): 239−258.
Maran, T.; Martinelli, D. and Turovski, A. 2011. Readings in zoosemiotics. In: Maran, T.; Martinelli, D.; Turovski, A. (eds.), Readings in Zoosemiotics. (Semiotics, Communication and Cognition 8). Berlin: De Gruyter Mouton, 1–20.
Maran, T.; Tønnessen, M.; Magnus, R.; Mäekivi, N.; Rattasepp, S. and Tüür, K. 2016a. Introducing zoosemiotics: philosophy and historical background. In: Maran, T.; Tønnessen; M.; Rattasepp, S. (eds.), Animal Umwelten in a Changing World. Zoosemiotic Perspectives. Tartu: University of Tartu Press. (Tartu Semiotics Library; 18), 10−28.
Maran, T.; Tønnessen, M.; Magnus, R.; Mäekivi, N.; Rattasepp, S. and Tüür, K. 2016b. Methodology of zoosemiotics: concepts, categorisations, models. In: Maran, T.; Tønnessen; M.; Rattasepp, S. (eds.), Animal Umwelten in a Changing World. Zoosemiotic Perspectives. Tartu: University of Tartu Press. (Tartu Semiotics Library; 18), 29−50.