TY  - BOOK
AU  - Roysdon Christine Ed.
AU  -  White Howard D. Ed.
TI  - Expert systems in Reference Services
U1  - Z:7:(D65,8(B)), M9 
PY  - 1989///
CY  - New York    
PB  -  The Haworth       
KW  -  Expert systems-Library applications
KW  -  Reference services-Automation
KW  - Library science
ER  -