@article{ThielVogtBuerkleinetal.2014,
  author    = {Christian Thiel and Lutz Vogt and Meike B{\"u}rklein and Andreas Rosenhagen and Markus H{\"u}bscher and Winfried Banzer},
  title     = {Functional overreaching during preparation training of elite tennis professionals},
  journal   = {Journal of human kinetics},
  volume    = {28},
  pages     = {79 -- 89},
  doi       = {10.2478/v10078-011-0025-x},
  year      = {2014},
}