TY  - BOOK
AU  - Gredley Ellen
AU  -  Hopkinson Alan
TI  - Exchanging bibliographic data :  Marc and other international formats
U1  - 2:550r7, N0 (2D) 
PY  - 1990///
CY  - Ottawa
PB  - Canadian library association     
KW  - LIBRARY SCIENCE
ER  -