%0 Journal Article %A E. S. Zeron %T Positive and Negative Feedback in Engineering and Biology %J Mathematical modelling of natural phenomena %D 2008 %P 67-84 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp:2008055/ %R 10.1051/mmnp:2008055 %G en %F MMNP_2008_3_2_a2