1. AN OUTLINE OF GENERAL SYSTEM THEORY
2. 2. R. Lullus,Ars generalis sive magna. (1305 -1308 ).
3. 3. G. Bruno,De umbris idearum. (Paris1582 ).
4. 4. R. Descartes,Discours de la methode. (Leyde1637 ).
5. 5. J.A. Comenius,Janua rerum reserata. (Lugdumi Batavoram1681 ).