TY  - BOOK
AU  - Hartley, Richard J.
TI  - Online searching: principles and practice 
SN  - 0408022906
AV  - Z699.35.O55 O54 1990.
U1  - 025.524 
PY  - 1990///
CY  - New York
PB  - Bowker-Saur
KW  - Online bibliographic searching
KW  - Database searching
N1  - Includes bibliographical references and index
ER  -