Witness and nonwitness children's violent and peaceful behavior in different types of simulated conflict with peers
American Journal of Orthopsychiatry (2007) - Comment
pubmed: 17535118  doi: 10.1037/0002-9432.77.2.206  issn: 0002-9432  issn: 1939-0025 

Bonnie Ballif-Spanvill, Claudia J. Clayton, Suzanne B. Hendrix