On Mon, 27 Nov 2017 13:59:47 +0100 Dieter <d.gloetzel at web.de> wrote: > When you plan to work with gadgets, the dissertation ETH No 11697 of > Johannes L. Marais will be helpful, also the Oberon Companion. These are accessible only to ETH members. -- Tomas Kral <thomas.kral at email.cz>