Stability and flexibility
Card's contents:PERGAMON INTERNATIONAL LIBRARY OF SCIENCE TECHNOLOGY, ENGINEERING AND 535,317 SOCIAL STUDIES. SYSTEMS SCIENCE AND WORLD ORDER LIBRARY COOK NORMAN D. Stability and flexibility. An analysis of natural systems. Oxford 1980 Pergamon Press 8°s.XI. nlb. 1, 246, il. Pergamon International Library of Science Technology, Engineering and Social Studies. Systems Science and World Order Library