@techreport{RitthoffRohnLiedtke2004, author = {Ritthoff, Michael and Rohn, Holger and Liedtke, Christa}, title = {MIPS-laskenta : tuotteiden ja palveluiden luonnonvaratuottavuus}, series = {Wuppertal Spezial}, volume = {27fi}, institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie}, address = {Wuppertal}, isbn = {952-9693-28-1}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:wup4-opus-20077}, pages = {53}, year = {2004}, language = {fi} }