TY  - BOOK
AU  - Deangelis, D. L.
AU  - Post, W. M.
AU  - Travis, C. C.
TI  - Positive feedback in natural system
T2  - Biomathematics
SN  - 3540159428
U1  - 574.5011 
PY  - 1986///
CY  - Berlin
PB  - S-V
ER  -