TY - GEN AU - United Nations Environment Programme A4 - Fiedler, Heidelore A4 - van der Veen, Ike A4 - de Boer, Jacob PY - 2017 UR - https://wedocs.unep.org/handle/20.500.11822/21743 LA - English KW - persistent organic pollutant TI - Bi-ennial global interlaboratory assessment on persistent organic pollutants: third round 2016/2017 M3 - Communication or other resource ER -