TY  - SER
AU  - Bettembourg,I..
TI  - Unesco bulletin for libraries (1970) / 
U1  - 020.621 
PY  - 1970///
CY  - Paris : 
PB  - The United Nations Educational Scientific and Cultural Organization , 
KW  - LIBRARY AND INFORMATION SCIENCE
N1  - Library has : V.24, no. 1-6,1970; NULL
ER  -