Ivan Hörler 0f5662873e change background color		2018-03-14 15:39:49 +01:00
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pictures	change background color	2018-03-14 15:39:49 +01:00
presentation.html	add new drwaing	2018-03-14 14:51:44 +01:00
presentation.org	fix typos	2018-03-14 14:51:17 +01:00