Asuman Dogac Peter P. Chen Entity-Relationship Model in the ANSI/SPARC Framework. 357-374 1981 ER db/conf/er/er81.html#DogacC81 conf/er/81 db/conf/er/DogacC81.html er81/ER81-P357.pdf conf/isca/AroraDS81 journals/tods/AstrahanBCEGGKLMMPTWW76 journals/tods/Bernstein76 conf/vldb/BernsteinG80 conf/er/CardenasP79 journals/tods/Chen76 ... conf/er/ChiangB79 conf/sigmod/DogacO80 ... ... journals/sigmod/ElmasriDR81 journals/tods/Fagin77 ... conf/er/Iossiohidis79 conf/sigmod/LuskOP80 ... conf/afips/OzkarahanSS75 conf/er/Sakai79 conf/sigmod/Sakai80 conf/er/SantosNF79 conf/er/ScheuermannSW79 journals/cl/SchiffnerS79 journals/tods/SmithS77 books/cs/Ullman80 ... conf/er/WongK79