TY  - RPRT
AU  - United Nations Environment Programme
PY  - 1989
SN  - 3 503 02789 0
UR  - https://wedocs.unep.org/handle/20.500.11822/30899
LA  - German
KW  - environmental data
TI  - Daten Zur Umwelt 1988/89
M3  - Technical report
ER  -