Daniel S. Shaw, Emily B. Winslow, Elizabeth B. Owens, Joan I. Vondra, Jeffrey F. Cohn, Richard Q. Bell,
The development of early externalizing problems among children from low-income families: a transformational perspective. Journal of Abnormal Child Psychology. ,vol. 26, pp. 95- 107 ,(1998) ,
10.1023/A:1022665704584