@article{KienelBowenByrneetal.2009,
  author    = {Ulrike Kienel and Sabine Wulf Bowen and Roger Byrne and Jungjae Park and Harald Boehnel and Peter Dulski and James F. Luhr and Lee Siebert and Gerald H. Haug and Joerg F. W. Negendank},
  title     = {First lacustrine varve chronologies from Mexico : impact of droughts, ENSO and human activity since AD 1840 as recorded in maar sediments from Valle de Santiago},
  doi       = {10.1007/s10933-009-9307-x},
  url       = {http://www.springerlink.com/content/100294},
  year      = {2009},
}