@manual{Ptak:2018,
author
=
"M.Ptak and M.Sawicki and J.Wilhelm and M.Wnuk and M.Ratajczak and F.Fernandes and A.Kwiatkowski and K.Kubicki",
title
=
"Wieloczujnikowa opaska na głowę, Patent #:P.426323",
note
=
"Date of application: 13-07-2018",
year
=
"2018",
}