TY  - BOOK
AU  - Martyn John
AU  -  Lancaster F Wilfrid
TI  - Investigative methods in library and information science :  An introduction
SN  - 0878150358
U1  - 2:f, M1 
PY  - 1981///
CY  - Virginio
PB  - Information Resources Press      
KW  - LIBRARY SCIENCE
ER  -