Klein Velderman, M., Bakermans‐Kranenburg, M. J., Juffer, F., Van IJzendoorn, M. H., Mangelsdorf, S. C., & Zevalkink, J. (2006). Preventing preschool externalizing behavior problems through video‐feedback intervention in infancy. Infant Mental Health Journal: Official Publication of The World Association for Infant Mental Health, 27(5), 466–493.