@phdthesis{Michalczyk2019,
  author      = {Anna Michalczyk},
  title       = {Modelling of nitrogen cycles in intensive winter wheat-summer maize double cropping systems in the North China Plain},
  type        = {doctoralthesis},
  pages       = {X, 154},
  school      = {Universit{\"a}t Potsdam},
  doi       = {10.25932/publishup-44421},
  year        = {2019},
}