<div dir="ltr">Dear Mr. Skulski,<div><br></div><div>Are the authors the current holders of the copyright? We may ask them if they have it, and try through for example <a href="http://lulu.com">lulu.com</a> (for printing on demand) if VDF is not interested any more. or if the authors consider the material has exceeded its scientific half-life period and want to preserve it as part of the Oberon culture, then we may scan the materials (one possible destination is Archive.org).</div><div><br></div><div>regards,</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jan 3, 2022 at 7:18 PM Skulski, Wojciech <<a href="mailto:skulski@pas.rochester.edu">skulski@pas.rochester.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Peter wrote:<br>
>From work on Andre's tutorial pages, I'm learning <br>
>about Gadgets in ETH Oberon. Appears there is <br>
>some parallelism between Gadgets in ETHO and<br>
>WM (Window Manager) in A2. ETHO and A2 <br>
>have so much capability which<br>
>few people have exploited.<br>
<br>
Peter:<br>
<br>
are you aware of the book by M.Kottman, X.Qiu, and W.Schaufelberger titled "Simulation and Computer Aided Contrpl Systems Design using Object-Orientation", ISBN 3 7281 2748 5 ? The authors worked at ETHZ Institut fuer Automatic. Dated 2000, printed by VDF, which is the ETHZ printing office. I am afraid it is out of print. I have a copy. I asked them about PDF, and they said they did not have it. But perhaps they did not try hard enough to find it.<br>
<br>
This book uses ETH System 3 as the programming environment for simulation and control systems. It is very comprehensive and full of good examples. I do appreciate this material, though it is not my field of study.<br>
<br>
It would be fantastic and very useful if this work could be rescued and saved for posterity.<br>
<br>
Happy New Year!<br>
Wojtek<br>
--<br>
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</blockquote></div>