Abstract
References
1.
Jefferson
G.
,
Kennedy
A.
,
Ritchie
A. D.
, and
Zangwill
O. L.
(1950 ) Advanc. Sci., Lond. , 7 , 46 .
2.
Curle
A.
, and
Trist
E.
(1947 ) Hum. Relat. , 1 , 42 .
3.
Jones
M. S.
(1952 ) Social Psychiatry . London.