TY  - GEN
AU  - Mathies, M. Lorraine
AU  - Watson, Peter G.
TI  - Computer based reference service
SN  - 0838901565
U1  - 029.5 
PY  - 1973///
CY  - Chicago
PB  - Amercian Library Association
KW  - Library-Automations
N1  - Includes bibliography and index
ER  -