Fink, S.L., "Crisis and Motivation: a Theoretical Model". Archives of Physical Medicine and Rehabilitation, Vol. 43, November 1967.
2.
Lehner, G F J, "From Job Loss to Career Innovation", paper read at the New Technology in Organization Development Conference, New York City, October 1971. ( Center for Organization Studies, NTL Institute for Applied Behavioural Science, 1201 16th Street, NW, Washington, DC.)
