TY  - BOOK
ED  -  THe British Library.
TI  -  The National Bibliographic Service : : bibliographies & bibliograph ic aids
PY  - 1991///
CY  -  London : 
PB  -  The British Library, 
KW  -  Technical services (Libraries)
KW  -  Great Britain
KW  -  Periodicals
ER  -