William E. McCarthy Graham Gal Declarative and Procedural Features of a CODASYL Accounting System 195-211 1981 ER db/conf/er/er81.html#McCarthyG81 conf/er/81 db/conf/er/McCarthyG81.html er81/ER81-P195.pdf ... ... ... ... journals/cacm/Bachman73 ... journals/tods/Chen76 ... ... ... ... ... ... ... ... ... conf/vldb/LumGSTJSFTYRKNSABJ79 ... conf/er/Carthy79 ... ... ... ... ... ...