TY  - BOOK
AU  - Jeffers,John N.R.
TI  - An introduction to systems analysis : : with ecological applications / 
T2  - A series of student texts in contemporary biology
SN  - 0-7131-2653-1
U1  - 574.5 19
PY  - 1978///
CY  - London : 
PB  - Edward Arnold, 
KW  - Ecologia
KW  - Modelos matemáticos
KW  - Análise de sistemas
KW  - Sistemas ecológicos
ER  -