TY - RPRT U1 - Arbeitspapier A1 - Holm Olsen, Karen A1 - Fenhann, Joergen A1 - Hinostroza, Miriam A1 - Arens, Christof A1 - Mersmann, Florian A1 - Beuermann, Christiane A1 - Rudolph, Frederic T1 - Assessing usefulness : do stakeholders regard the CDM's SD tool as practical? Y1 - 2015 SP - 33 S1 - 33 PB - German Emissions Trading Authority CY - Berlin PB - German Emissions Trading Authority CY - Berlin ER -