1. The Variables of Leadership: A Review and Conceptual Framework;Barrow;Academy of Management Review,1977
2. The Contingency Model and the Dynamics of the Leadership Process;Fiedler,1978
3. A Leader Behavior Description for Industry;Fleishman,1957
4. A Factorial Study of the Leader Behavior Description Questionnaire;Halpin,1957
5. Situational Factors in Leadership;Hemphill,1949