TY  - BOOK
AU  - Dubois, D. M.
TI  - Progress in ecological engineering and management by mathematical modelling; proceeding of the second International Conference on the State of the Art.
U1  - 574.5 
PY  - 1981///
CY  - Liege, Belgique
PB  - CEBEDO
KW  - Ecología
KW  - Modelos matemáticos
ER  -