TY  - BOOK
TI  - Progress in documentation : some themes and topics: : A selection from the progress in documentation articles published in Journal of documentation, 1969-1979 
SN  - 0851421407
PY  - 1981///
CY  - London: 
PB  - Aslib, 
KW  - Information science
KW  - Library service
KW  - Information retrieval
ER  -