ARBIB, M., 1979, Minds and millennia: The psychology of interstellar communication. In Cosmic Search, 1, 3. In http://web.archive.org/web/radobs/vol1no3/minds.htm<br> ARNHEIM, R., 1966, Towards a psychology of art. London: Faber & Faber.<br> – 1969, Visual thinking. Berkeley: University of California Press.<br> DEACON, T., 2003, Universal grammar and semiotic constraints. In CHRISTIANSEN, M., & KIRBY, S., eds, Language evolution, 111-139. Oxford: Oxford University Press.<br> GIBSON, J., 1978, The ecological approach to visual perception of pictures, Leonardo, 4:2: 227-235.<br> HERMERÉN, G., 1983, Aspects of aesthetics. Lund: Gleerups.<br> HOFFMAN, D., 2004, Images as interstellar messages. In Between worlds: the art and science of interstellar message composition. VAKOCH, D., ed. Harvard: MIT Press<br> HUSSERL, E., 1980, Phantasie, Bildbewusstsein, Erinnerung. Husserliana XXIII. The Hague: Nijhoff.<br> PEIRCE, CH., 1998, The Essential Peirce, volume II. Ed. By the Peirce Edition Project. Bloomington and Indianapolis: Indiana University Press.<br> SONESSON, G., 1978, Tecken och handling. Lund. Doxa.<br> – 1989, Pictorial concepts. Lund: Aris/Lund University Press. <br> – 1993, Pictorial semiotics, Gestalt psychology, and the ecology of perception. In Semiotica 99: 3/4, 319-399. <br> – 1994, Prolegomena to the semiotic analysis of prehistoric visual displays. In Semiotica, 100: 3/, 267-332. 47-64. <br> – 1998, That there are many kinds of pictorial signs, Visio, 3, 1, 33-54.<br> – 1999, The life of signs in society – and out of it. In Semiotiké. Trudy po znakovym sistemam/Sign system studies 26, TOROP, P., LOTMAN, M., KULL, K., PÄTLI, Ü., eds., 88-127. Tartu, Tartu University Press.<br> – 2000, Iconicity in the ecology of semiosis, In Iconicity - A Fundamental Problem in Semiotics, JOHANSON, T., SKOV., M., & BROGAARD, B., eds., 59-80, Aarhus: NSU Press.<br> – 2001, From Semiosis to Ecology. In VISIO, 6: 2-3: 85-110: Cultural cognition and space Cognition/Cognition culturelle et cognition spatiale. QUINN, A., ed.,<br> – 2003, The Symbolic Species revisited. Considerations on the semiotic turn in cognitive science and biology SGBWP3. Working Papers of the Project "Language, gesture, and pictures from the point of view of semiotic development", Lund University, Lund.<br> – Forthcoming a, From Iconicity to Pictorality. To appear in VISIO: Iconicity revisited/Iconicité revisité, Sonesson, Göran ed. <br> – Forthcoming b, The signs of the body and the body of signs. In Body, language, and mind. ZLATEV, J., ZIEMKE, T., & FRANK, R., eds. Berlin & New York: Mouton de Gruyter. <br> VAKOCH, D., 1999, The view from a distant star. In Mercury, March/April, 26-39, quoted from http://www.astrosociety.org/pubs/mercury/9902/vakoch.html<br> - 2001, Messages from ET. Published on http://www.space.com/searchforlife/vakoch_messages_010706.html<br> - 2003, Messages from the moon, to Mars, to the stars. Published on http://seti.org/seti/our_projects/interstellar_messages/overview/history/messages.html