@unpublished{CurtiusGranzinSchrod2020,
  author  = {Joachim Curtius and Manuel Granzin and Jann Erik Schrod},
  title   = {Testing mobile air purifiers in a school classroom: reducing the airborne transmission risk for SARS-CoV-2},
  institution = {Geowissenschaften},
  pages     = {42},
  year    = {2020},
}