TY  - BOOK
AU  - Lang, Valerie
AU  - Vernon, Ken 
TI  - London classification of business studies: : Classification and thesaurus for business libraries
SN  - 9780851421247
PY  - 1979///
CY  - London: 
PB  - Aslib, 
KW  - Library science
KW  - Classification
ER  -