TY  - BOOK
ED  - Global Environmental Monitoring System.
TI  - Urban air pollution
SN  - 9241560827 (pbk.) :
AV  - TD890 .U73
PY  - 1991///
CY  - Nairobi
PB  - United nations environment health
KW  - Global Environmental Monitoring System
KW  - Air
KW  - Pollution
KW  - Measurement
KW  - Urban climatology
ER  -