PHOTODEGRADATION OF PCDD/FS AND PAHS ON SURFACES OF SPRUCE (PICEA ABIES (L.) KARST.) NEEDLES Publication Attachment: 03-495.pdf Authors: Chen, J, Niu, J, Henkelmann, B, Martens, D, Quan, X, Yang, F, Seidlitz, HK, Schramm, KW Year: 2003