TY  - BOOK
AU  - Rao,I.K.Ravichandra  .
TI  - Quantitative methods for library and informaation science / 
U1  - 020.299 
PY  - 1983///
CY  - New Delhi : 
PB  - Wiley Eastern , 
KW  - LIBRARY AND INFORMATION SCIENCE-QUANTITY SURVEY
N1  - Includes index
ER  -