Westen,D . "Revising and assessing axis II, Part II: Toward an empirically based and clinically useful classification of personality disorders" The American journal of psychiatry [0002-953X] 156.2 (1999). 273-285.

Westen,D . "Revising and assessing axis II, Part I: Developing a clinically and empirically valid assessment method" The American journal of psychiatry [0002-953X] 156.2 (1999). 258-272.