Issue No.03 - May (1982 vol.2)
S. Ulfsby , Central Institute for Industrial Research
Designed to handle complex network data structures, this DBMS is at work in solid and surface modeling, drafting, and part-coding applications.
S. Ulfsby, S. Meen, J. Oian, "Tornado: A Data-Base Management System for Graphics Applications", IEEE Computer Graphics and Applications, vol.2, no. 3, pp. 71-79, May 1982, doi:10.1109/MCG.1982.1674242