TY  - BOOK
AU  - Warwick, Donald P.,
AU  - Osherson, Samuel,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 013153940X
SN  - 2
PY  - 1973///];copyright 1973.46
CY  - Englewood Cliffs, N.J
PB  - Prentice-Hall
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Research
KW  - Social sciences;Research.;Social sciences
N1  - Includes bibliographical references; 5
ER  -