Thu, 02 Apr 2015 11:22:22 +0200 haftmann semidom contains distributive minus, by convention
Thu, 02 Apr 2015 14:11:00 +0200 wenzelm clarified method_closure;
Thu, 02 Apr 2015 12:24:30 +0200 wenzelm operation on embedded sources for Eisbach;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip