TY  - JOUR
TI  - The Entity Relationship Model — Toward a Unified View of Data
AU  - Peter Pin-Shan Chen
PY  - 2002
DO  - 10.1007/978-3-642-59412-0_18
UR  - https://doi.org/10.1007/978-3-642-59412-0_18
ER  -