@ARTICLE{Proctor11a,
  author  = {Michael Proctor},
  title   = {{Towards a gestural characterization of liquids: Evidence from Spanish and Russian}},
  journal = {Laboratory Phonology},
  year    = {2011},
  volume  = {2},
  pages   = {451-485},
  number  = {2},
  doi     = {10.1515/LABPHON.2011.017},
  isbn    = {1868-6346}
}