@article{asparsenonnegativematrixfactorization,
  title = {A Sparse Non-negative Matrix Factorization Framework for Identifying Functional Units of Tongue Behavior from MRI},
  author = {Jonghye Woo and Jerry L. Prince and Maureen Stone and Fangxu Xing and Arnold Gomez and Jordan R. Green and Christopher J. Hartnick and Thomas J. Brady and Timothy G. Reese and Van J. Wedeen and Georges El Fakhri},
  year = {2018},
  eprint = {1804.05370},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.05370v3},
}