TY  - BOOK
AU  - Hartley,R.J..
TI  - Online searching : Principles and practice / 
SN  - 0408022906
U1  - 025.524 
PY  - 1993///
CY  - London : 
PB  - Bowker-Saur , 
KW  - ON-LINE BIBLIOGRAPHIC SEARCHING
KW  - DATA-BASE SEARCHING
N1  - NULL
ER  -