Category: CMUTR
Institution: Carnegie Mellon University, School of Computer
        Science
Number: CMU-CS-91-125
Bibtype: TechReport
Author: Michael Gleicher
        Andrew Witkin
Month: jan
Title: Creating and Manipulating Constrained Models
Year: 1991
Key: Interaction techniques, computational geometry and 
        object modeling, computing aided design
Address: Pittsburgh, PA