book.bib

@Book{xie2015,
  title = {Dynamic Documents with {R} and knitr},
  author = {Yihui Xie},
  publisher = {Chapman and Hall/CRC},
  address = {Boca Raton, Florida},
  year = {2015},
  edition = {2nd},
  note = {ISBN 978-1498716963},
  url = {http://yihui.name/knitr/}
}

@article{Bauer2015,
author = {P. Bauer and F. Bretz and V. Dragalin and F. König and G. Wassmer},
title = {Twenty-five years of confirmatory adaptive designs: opportunities and pitfalls},
journal = {Statistics in Medicine},
volume = {35},
number = {3},
pages = {325-347},
year = {2015},
keywords = {adaptive design, clinical trials, group sequential designs},
doi = {10.1002/sim.6472}
}


@book{Wassmer2016,
  title={Group sequential and confirmatory adaptive designs in clinical trials},
  author={G. Wassmer and W. Brannath},
  isbn={9783319325620},
  series={Springer Series in Pharmaceutical Statistics - },
  year={2016},
  publisher={Springer International Publishing}
}


@article{variational,
author = {M. Pilz and K. Kunzmann and C. Herrmann and G. Rauch and M. Kieser},
year = {2019},
volume = {38},
number = {21},
pages = {4159-4171},
journal = {Statistics in Medicine},
title = {A variational approach to optimal two-stage designs},
url = {https://doi.org/10.1002/sim.8291}
}