Su Y., Hung H., Blanchard P., Patton GW., Kallenborn R., Konoplev R., Fellin P., Li H., Geen C., Stern G., Rosenberg B., Barrie LA. : Spatial and Seasonal Variations of Hexachlorocyclo-hexanes (HCHs) and Hexachlorobenzene (HCB) in the Arctic Atmosphere.