Constructing reality. - Douglas A. Powell; Norman R. Ball; Mansel W. Griffiths (SIGDOC, 1993)

Systems theory and practice in the knowledge age: Proceedings of the Seventh International Conference of the UK Systems Society, 7-10 July 2002, York, United Kingdom. Gillian Ragsdell, Daune West and Jennifer Wilby (Eds.); Kluwer Academic/Plenum Publishers, NewYork, 2002, 478pp., price £85 hardcover, ISBN 0-306-47247-3. - Norman R. Ball (Int. J. Inf. Manag., 2003)