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Murray, B.J.; Plane, J.M.C. (2005). »Uptake of Fe, Na and K atoms on low-temperature ice: implications for metal atom scavenging in the vicinity of polar mesospheric clouds«. Phys. Chem. Chem. Phys. 7 (23): 3970–3979. Bibcode:2005PCCP....7.3970M. doi:10.1039/b508846a. PMID19810327.
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Hultgren, K.; in sod. (2011). »What caused the exceptional mid-latitudinal Noctilucent Cloud event in July 2009?«. Journal of Atmospheric and Solar-Terrestrial Physics. 73 (14–15): 2125–2131. Bibcode:2011JASTP..73.2125H. doi:10.1016/j.jastp.2010.12.008.
Murray, B.J.; Plane, J.M.C. (2005). »Uptake of Fe, Na and K atoms on low-temperature ice: implications for metal atom scavenging in the vicinity of polar mesospheric clouds«. Phys. Chem. Chem. Phys. 7 (23): 3970–3979. Bibcode:2005PCCP....7.3970M. doi:10.1039/b508846a. PMID19810327.