title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: d doan , n paton , a kilgour. venue: sigmod record. year: 1995
title: design and user testing of a multi-paradigm query interface to an object-oriented database. authors: dk doan , nw paton , a kilgour. venue: sigmod record ,. year: 1995.0