@article{856948542450482ea4997c30fa482ae9,
title = "Moroccan speleothem and tree ring records suggest a variable positive state of the North Atlantic Oscillation during the Medieval Warm Period",
author = "Jasper Wassenburg and Adrian Immenhauser and Richter, {Detlev K.} and Andrea Niedermayr and Sylvia Riechelmann and Jan Fietzke and Denis Scholz and K.P. Jochum and Andrea Schr{\"o}der-Ritzrau and A Sabaoui and Riechelmann, {Dana F. C.} and L. Schneider and J. Esper",
year = "2013",
doi = "http://dx.doi.org/10.1016/j.epsl.2013.05.048",
language = "English",
volume = "375",
pages = "291--302",
journal = "Earth and Planetary Science Letters",
issn = "1385-013X",
publisher = "Elsevier B.V.",
}