TY  - BOOK
AU  - Ranganathan, S. R.
AU  - Aiyer , P. S. Sivaswami 
AU  -  Sayers, W. C. Berwick 
TI  - The five laws of library science 
SN  - NA
U1  - 020 RAN 
PY  - 2006///
CY  - New Delhi : 
PB  - Ess Ess Publications
KW  - Five laws of library science
N1  - includes index
ER  -