TY  - BOOK
AU  - Klopffer, Walter
AU  - Grahl, Birgit.
TI  - Life Cycle Assessment (LCA): A Guide to Best Practice 
SN  - 9783527329861
U1  - 658.5 
PY  - 2014///
CY  - Weinheim
PB  - Wiley-VCH
KW  - Industrial ecology
KW  - Product life cycle--Mathematical models
ER  -