Chr. de Bruyn

General System Theory: Essential Concepts and applications: Volume 10 in: Cybernetics and Systems Series, Abacus, Tunbridge Wells, 1986, v + 270 pages, £24.50

Chr. de Bruyn, C. D. Bruyn, 1987 .

Systems: Concepts, methodologies and applications

Chr. de Bruyn, 1991 .