1. Batini, C., E. Nardelli, and R. Tamassia, A Layout Algorithm for Data-Flow Diagrams, IEEE Trans. on Software Engineering, Vol. SE-12 (4), pp. 538–546, 1986.
2. Batini, C., M. Talamo, and R. Tamassia, Computer Aided Layout Of Entity-Relationship Diagrams, The Journal of Systems and Software, Vol. 4, pp. 163–173, 1984.
3. H.K.B. Beck, H.-P. Galil, R. Henkel, and E. Sedlmayr: Chemistry in circumstellar shells, I. Chromospheric radiation fields and dust formation in optimcally thin shells of M. giants, Astron. Astrophys. 265 (1992) 626–642.
4. Di Battista G., P. Eades, R. Tamassia and I.G. Tollis, Algorithms for Automatic Graph Drawing: An Annotated Bibliography, Tech.Rep., Dept.of Comp.Sc., Brown Univ., 1993.
5. Di Battista, E. Pietrosanti, R. Tamassia and I.G. Tollis, Automatic Layout of PERT Diagrams with XPERT, Proc. IEEE Workshop on Visual Lang. (VL'89), 171–176, 1989.