Bilförmaner paverkar utsläpp av koldioxid fran bilarPädam, Sirje-Ilona; Johansson, Joakim; Johansson, Ulf2004 Emission trading systems for new cars [Electronic resource]Pädam, Sirje-Ilona; Johansson, Joakim2006 Regulatory instruments to reduce the impact of old cars on air qualityJohansson, Joakim; Pädam, Sirje-IlonaAdding years to life and life to years : collection of research articles2005 / p. 32-36 Regulatory measures to reduce the impact of old cars on air qualityJohansson, Joakim; Pädam, Sirje-IlonaWorking papers in economics. Vol. 14 (TUTWPE No 120-124)2005 / TUTWPE No. 121, p. 33-50 : ill Styrmedel för ökad utskrotning av gamla bilar : konsekvenserna av senaste ändringar i skrotningspremiernaJohansson, Joakim; Pädam, Sirje-Ilona2004 http://naturvardsverket.diva-portal.org/smash/record.jsf?pid=diva2%3A1637695&dswid=-7013