@phdthesis{Katiyar19,
  title = {Quantification of tumor heterogeneity using PET/MRI and machine learning},
  school = {Eberhard Karls Universit{\"a}t T{\"u}bingen, Germany},
  year = {2019},
  slug = {katiyar19},
  author = {Katiyar, P.}
}