Dear Visitor,

the documents on this website are maintained by:

Udo  Mark
Meisenweg 4
85667 Oberpframmern, Germany
E-mail:  admin at umark.de

At present time, the documents are covering one aspect only:


Thankyou for visiting this website !




safety notice

www.umark.de/index.html    last revised: 2014-01-01