Klein, P.S., Zarur, S. & Feldman, R. (2003)
Mediation behaviors of preschoolers: Effects on their toddler siblings. Infant and Child Development, 12 (3), 233-242.
Klein, P.S., Feldman, R., & Zarur, S. (2002)
Mediation in a sibling context: The relations of older siblings' mediating behavior and younger siblings' task performance . Infant and Child Development 11, 321-333