@book {9781907920561, title = "Mastering Microcontrollers Helped by Arduino", isbn = "9781907920561", url = "http://www.content-select.com/index.php?id=bib_view&ean=9781907920561", url = "https://content-select.com/de/portal/media/view/60b115f6-6f44-4d93-b23a-6ac6b0dd2d03", publisher = "Elektor", }