![VDE Verlag NormenBibliothek VDE NormenBibliothek](/resource/blob/1646938/067183b36d21d661f3baf1ede2f0f13b/app-verlag-normenbibliothek-data.png)
Download the standards library (Normenbibliothek) app from the iTunes App Store or from Google-Play.
![Donnerwetter App Donnerwetter App](/resource/blob/1647694/88193baf163d86b6a62f421bdcb1cd4f/app-donnerwetter-data.png)
Download the VDE thunderstorm (Donnerwetter) app from iTunes App Store or Google-Play.
Download the standards library (Normenbibliothek) app from the iTunes App Store or from Google-Play.
Download the VDE thunderstorm (Donnerwetter) app from iTunes App Store or Google-Play.