TY  - BOOK
AU  - Lancaster,Frederick Wilfrid
AU  - Fayen,Emily Gallup
TI  - Information retrieval: on-line
T2  - Information sciences series
AV  - Z699 .L34
U1  - 029.7/53 
PY  - 1973///]
CY  - Los Angeles
PB  - Melville Pub. Co.
KW  - Information retrieval
KW  - Local
KW  - Data base searching
N1  - "A Wiley Becker & Hayes series book."; Includes bibliographies
ER  -