This report was originally written in 1992-1993. Therefore, some of its information is out-of-date. The Object Agency, Inc. believes, however, that the report still provides many useful insights.
R. Godin, and P. Valtchev. Formal Concept Analysis: Foundations and
Applications, volume 3626 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2005)