@misc{jones_instrument_and_2003, 
author={Jones, J.M., Widmann, M.},
title={Instrument- and tree-ring based reconstructions of the Antarctic Oscillation},
year={2003},
howpublished = {conference poster: Hamburg (D);},
note = {Jones, J.; Widmann, M.: Instrument- and tree-ring based reconstructions of the Antarctic Oscillation. In: International Conference on Earth System Modelling. Hamburg (D). 2003.}}