TY  - BOOK
AU  - J.B. Shuka, T.G. Hallam, V. Capasso (ed)
TI  - Mathematical modelling of environmental and ecological systems.-(development in environmental modelling,II)
AV  - SBL QH 541.15 M3I57 1987 
PY  - 1987///
CY  - Elsevier 
PB  - Amsterdam 
ER  -