@article{BrandCheval2019,
  author    = {Brand, Ralf and Cheval, Boris},
  title     = {Theories to explain exercise motivation and physical inactivity},
  series = {Frontiers in psychology},
  volume    = {10},
  journal   = {Frontiers in psychology},
  publisher = {Frontiers Research Foundation},
  address   = {Lausanne},
  issn      = {1664-1078},
  doi       = {10.3389/fpsyg.2019.01147},
  pages     = {4},
  year      = {2019},
  language  = {en}
}