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Perner J, & Wimmer H. (1985). “John thinks that Mary thinks that”: attribution of second-order beliefs by 5- to 10-year-old children. J. Exp. Child Psychol., 39, 437.
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Wimmer H, Hogrefe GJ, & Perner J. (1988). Children's understanding of informational access as a source of knowledge. Child Dev., 59, 386.
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Wimmer H, & Perner J. (1983). Beliefs about beliefs: representation and constraining function of wrong beliefs in young children's understanding of deception. Cognition, 13, 103.
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