TY  - BOOK
AU  - Lancaster,, F.W
TI  - Bibliometric methods in assessing productivity and impact of research / 
U1  - 011.001 519 5 
PY  - 1991///
CY  - Bangalore
PB  -  Sarada Ranganathan Endowment for Library Science
KW  - LIbrary Science
N1  - Includes references
ER  -