TY  - BOOK
AU  - Hall,J.L.
TI  - On-line information retrieval sourcebook
SN  - 0851421067 :
AV  - Z699.3 .H34
U1  - 029.7 
PY  - 1977///
CY  - London
PB  - Aslib
KW  - Online bibliographic searching
KW  - Books
KW  - Database searching
KW  - Databases
KW  - Directories
N1  - Includes indexes; Bibliography: p. 209-242
ER  -