Nowaczyk, N.R.; Arz, H.W.; Frank, U.; Kind, J.; Plessen, B. (2012). "Dynamics of the Laschamp geomagnetic excursion from Black Sea sediments". Earth and Planetary Science Letters (به انگلیسی). 351–352: 54–69. Bibcode:2012E&PSL.351...54N. doi:10.1016/j.epsl.2012.06.050.
Nowaczyk, N.R.; Arz, H.W.; Frank, U.; Kind, J.; Plessen, B. (2012). "Dynamics of the Laschamp geomagnetic excursion from Black Sea sediments". Earth and Planetary Science Letters (به انگلیسی). 351–352: 54–69. Bibcode:2012E&PSL.351...54N. doi:10.1016/j.epsl.2012.06.050.