1. Astington, J. W., & Pelletier, J. (2005). Theory of mind, language, and learning in the early years: Developmental origins of school readiness. In B. D. Horner & C. S. Tamis-LeMonda (Eds.), The development of social cognition and communication (pp. 205–230). Mahwah, NJ: Lawrence Erlbaum.
2. Bateson, G. (1971). The message “This is play.”. In R. E. Herron & B. Sutton-Smith (Eds.), Child’s play (pp. 261–266). New York: Wiley.
3. Bateson, G. (1976). A theory of play and fantasy. In J. S. Bruner, A. Jolly, & K. Sylva (Eds.), Play—Its role in development and evolution (pp. 119–129). New York: Basic Books.
4. Bateson, G. (1979). Mind and nature. New York: E.P. Dutton.
5. Beran, J., Feng, Y., Ghosh, S., & Kulik, R. (2014). Long-memory processes. Berlin: Springer-Verlag.