@inproceedings{inproceedingsa37cdc9a,
title   = {Geomagnetic secular variation record from a mid-latitude brazilian speleothem: preliminary results},
author = {Jaqueto, Plinio and Trindade, Ricardo Ivan Ferreira da and Hartmann, Gelvam and Novello, Valdir F. and Cruz, Francisco W and Feinberg, Joshua M.},
year = {2013},
publisher = {American Geophysical Union},
booktitle   = {American Geophysical Union. Spring Meeting}
}