REFERENCES
- BARNDORFF-NIELSEN , O. E. , JENSEN , J and KENDALL , W. S. 1994 .
- Networks and the chaos-statistical, and probabilistic aspects. Monographs on Statistics and Applied Probability London : Chapman and Hall .
- CASTI , J. L. 1989 . Alternate realities: Mathematical models of nature and man New York : John Wily & Sons .
- COASE , R. H. 1992 . The institutional structure of production . American Economic Review , 4 : 713 – 719 .
- COHEN , J. and STEWART , I. 1994 . The collapse of chaos-discovering simplicity in a complex world New York : Penguin Books .
- CHEUNG , S. N.S. 1998 . The transaction cost paradigm . Economic Inquiry , 4 : 514 – 518 .
- DE BRUYN , J. N. and LOURENS , A. F. 1997 . A non-linear dynamical prediction model for superficial scald development on apples after cold storage . Acta Horticulturae , 485 : 97 – 102 .
- DELGADO , C. 1999 . “ Sources of growth in smallholder agriculture in sub-Saharan Africa: The role of vertical integration of smallholders with processors and marketers of high value-added items. ” . In Agrekon 38
- HOBBS , J. E. 1997 . Measuring the importance of transaction cost in cattle marketing . American Journal of Agricultural Economics , 79 : 1083 – 1095 .
- TRAPPL , R. , HANIKA , F. , DE , P and PICHLER , F. R. 1979 . Progress in cybernetics and systems. Volume V, Organization and Management Organic Problem-solving in Management System Approach in Urban and Regional Planning Computer Performance, Control and Evaluation Computer Linguistics New York : John Wily & Sons .
- THOM , R. 1975 . Structural stability and morphogenesis (An outline of a general theory of models) Reading, Massachusetts : Advanced Book Program .
- THOMSON , J. M.T. 1982 . Instabilities and catastrophes in science and engineering New York : John Wiley & Sons Ltd .
- VINK , N. , KIRSTEN , J. , SARTORIUS VON BACH , H. J. and FISCHER , A. 1999 . Livestock marketing study. Draft final report to Nolidep Namibia : Ministry of Agriculture, Water and Rural Development .
- WINFREE , A. T. 1980 . “ The geometry of biological time. ” . In Biomathematics 8. Springer-Verlag, New York
- WOODCOCK , A. and DAVIS , M. 1978 . Catastrophe theory-the revolutionary new way of understanding how things change New York : EP Dutton .
- ZIMMERMAN , H. J. 1984 . Fuzzy sets and decision analysis Amsterdam : Elsevier Science Publishers . Studies in the management sciences, 20