@article{NaafsHefterActonetal.2012,
  author    = {B. David A. Naafs and Jens Hefter and Gary Acton and Gerald H. Haug and Alfredo Martinez-Garcia and Richard Pancost and R{\"u}diger Stein},
  title     = {Strengthening of North American dust sources during the late Pliocene (2.7 Ma)},
  journal   = {Earth \& planetary science letters},
  volume    = {317},
  pages     = {8 -- 19},
  doi       = {10.1016/j.epsl.2011.11.026},
  year      = {2012},
}