Engineering Data Management Activities Within the IPAD Project. - H. R. Johnson; D. L. Bernhardt (IEEE Database Eng. Bull., 1982)

A DBMS Facility for Handling Structured Engineering Entities. - H. R. Johnson; J. E. Schweitzer; E. R. Warkentine (Engineering Design Applications, 1983)

Engineering Data Management Activities Within the IPAD Project. - H. R. Johnson (IEEE Database Eng. Bull., 1984)

Knowledge Base Management for CAD/CAM. - H. R. Johnson (COMPCON, 1986)

Compression Schemes, Stable Definable Families, and o-Minimal Structures. - H. R. Johnson; Michael C. Laskowski (Discret. Comput. Geom., 2010)