TY  - BOOK
AU  - Maxfield, Doris Morris
AU  - Edgar, Kathleen J.,
AU  - Quint, Barbara,
TI  - Online database search services directory
SN  - 0810321149
AV  - QA76.55 O55 1988
PY  - 1988///
CY  - Detroit, michigan
PB  - Gale research
KW  - Procesamiento de datos en línea
KW  - Directorios
N1  - Subtitulo : a reference and referral guide to more than 1,700 libraries, information firms, and other sources providing computerized information retrieval and associated services using publicly available online databases
ER  -