An Extended Entity-Relationship Model and Its Use on a Defense Project.

Neil W. Webre An Extended Entity-Relationship Model and Its Use on a Defense Project. 173-193 1981 ER db/conf/er/er81.html#Webre81 conf/er/81 db/conf/er/Webre81.html er81/ER81-P173.pdf journals/is/Biller79 journals/tods/Chen76 ... conf/er/ChiangB79 persons/Codd71a books/aw/Date77 ... ... conf/sigmod/HammerM78 ... ... ... ... conf/er/SantosNF79 conf/er/ScheuermannSW79 journals/cacm/SmithS77 journals/tods/SmithS77 conf/er/SuL79 ... ... ... ... ... ... conf/er/Wilson79 ...