TY  - BOOK
AU  - International Organization For Standardization
ED  - International Organization For Standardization
TI  - Symbols for language , countries and authorities
T2  - ISO recommendation,R639-1967(E)
U1  - 2:97, qK7 
PY  - 1967///
CY  - Geneva
PB  - ISO       
KW  - LIBRARY SCIENCE
ER  -