TY  - RPRT
AU  - United Nations Environment Programme
PY  - 2004
SN  - 92-807-24500-9
UR  - https://wedocs.unep.org/handle/20.500.11822/7917
LA  - English
A3  - United Nations Environment Programme
TI  - Why take a life cycle approach
M3  - Technical report
ER  -