%0 Journal Article %T Investigation of homogeneity and stability of items for proficiency testing of solid recovered fuels (SRF) analysis %A Jagustyn, Barbara %A Plis, Agnieszka %A Mastalerz, Mariusz %A Hrabak, Joanna %A Ściążko, Marek %J Accreditation and Quality Assurance %V 22 %N 6 %P 355-360 %@ 0949-1775 %D 2017-08-22 %I Springer Berlin Heidelberg %~ DeepDyve