The ER and EAS Formalisms for System Modelling, and the EAS-E Language

An Entity-Relationship Programming Language

IEEE Transactions on Software Engineering

QBD*: A Graphical Query Language with Recursion

IEEE Transactions on Software Engineering

EAS-E: an integrated approach to application development

ACM Transactions on Database Systems (TODS)

The EAS-E application development system: principles and language summary

Communications of the ACM

GRASP: a graphical system for statistical databases

SSDBM'1990 Proceedings of the 5th international conference on Statistical and Scientific Database Management

The system architecture of EAS-E: an integrated programming and data base language

IBM Systems Journal

The system architecture of EAS-E: an integrated programming and data base language

IBM Systems Journal

Query by diagram: A fully visual query system

Journal of Visual Languages and Computing