TY  - BOOK
AU  - Benfer Robert A and others
TI  - Expert systems
T2  - Quantitative Applicaitons in the Social Sciences ,77
SN  - 080394036X
U1  - Sigma: (D6,9(B), N1 
PY  - 1991///
CY  - London
PB  - Sage Publications UK        
KW  - Social Sciences
N1  - Bibliography:p.85-91
ER  -