@article{GompfPflugLaufsetal.2017,
  author    = {Florian Gompf and Anja Pflug and Helmut Laufs and Christian Alexander Kell},
  title     = {Non-linear relationship between BOLD activation and amplitude of beta oscillations in the supplementary motor area during rhythmic finger tapping and internal timing},
  journal   = {Frontiers in human neuroscience},
  volume    = {11},
  number    = {Art. 582},
  pages     = {1 -- 11},
  doi       = {10.3389/fnhum.2017.00582},
  year      = {2017},
}