@techreport{Kjelldal:2011,
  author	= {Therese Kjelldal},
  title		= {A Control System for Battery Charging in Buses},
  year		= {2011},
  institution   = {Department of Electrical Engineering, Linköping University},
  number	= {LiTH-ISY-EX-11/4475-{}-SE},
  school	= {Link{\"o}ping University, SE-581~83 Link{\"o}ping}
}