Howe, W.G., Kruskai, V.J., Leavenworth, B.M., Lewis, C., and Wladawsky, I. "The preliminary definition of the Document Flow Component of the Business Definition Language" Res. Rep. RC 5204, IBM Thomas J. Watson Res. Ctr., Yorktown Heights, N.Y., Jan. 1975.

Languages mentioned

• BDL {1974} High-level IBM database language for describing business applications