TY  - GEN
ED  - Monitoring and Assessment Research Centre Global
TI  - Historical monitoring : a technical report 1985
T2  - MARC Report
SN  - 0905918282 
PY  - 0000///MARC - Monitoring and Assessment Research Centre
CY  - London
PB  - 1985
KW  - D 71
N2  - Bibliografia
ER  -