Editorial

Argyris C , 1976 Increasing Leadership Effectiveness (John Wiley, New York)

Argyris C Schon D A , 1976 Theory in Practice: Increasing Professional Effectiveness (Jossey-Bass, San Francisco)

Fann K T , 1970 Peirce's Theory of Abduction (Martinus Nijhoff, The Hague)

March L , 1976 The Architecture of Form (Cambridge University Press, London)

Newell A Simon H A , 1972 Human Problem Solving (Prentice-Hall, Englewood Cliffs, NJ)

Popper K R , 1959 The Logic of Scientific Discovery (Hutchinson, London)

Reuleaux F , 1876 The Kinematics of Machinery: Outlines of a Theory of Machines translated and edited by Kennedy A B (Macmillan, London)

Simon H A , 1969 The Sciences of the Artificial (MIT Press, Cambridge, Mass)

Simon H A , 1976 Administrative Behaviour third edition (Free Press, New York)

Simon H A , 1977 Models of Discovery (D Reidel, Dordrecht, The Netherlands)