author  = "Z. Fedyczak and P. Szcześniak and M. Klytta",
  title       = "Buck-boost voltage frequency converters without DC storage for AC drives - general overview",
  booktitle   = "Topical problems in the field of electrical and power engineering : doctoral school of energy and geotechnology III : 16th international symposium GUIDE; ISBN: -",
  address     = "Pärnu, Estonia",
  publisher   = "Tallin, Tallinn University of Technology",
  pages       = "15--20",
  year        = "2017",