TY  - BOOK
AU  - Gallagher, Leonard J.
AU  - Draper, Jesse M.
TI  - Guide on data models in the selection and use of database management systems
T2  - NBS special publication 500-108
U1  - 005.74 
PY  - 1984///
CY  - Washington
PB  - U.S. department of commerce
N1  - Computer science and technology
ER  -