Neuer-Etscheidt K, Nordsieck HO, Liu Y, Kettrup A, Zimmermann R. PCDD/F and other micropollutants in MSWI crude gas and ashes during plant start-up and shut-down processes. Environ Sci Technol. 2006 Jan 01;40(1):342–9. doi: 10.1021/es050744i. PMID: 16433370.