https://langbein.org Frank C Langbein Tue, 07 Jun 2016 17:39:01 +0000 en-GB hourly 1 https://langbein.org/wp-content/uploads/2015/11/symmetry-150x150.png https://langbein.org 32 32 https://creativecommons.org/licenses/by-nc-sa/4.0/ 103224400 https://langbein.org/astarte-overview/ Sat, 21 Dec 2002 21:11:54 +0000 https://langbein.org/?p=1611 https://creativecommons.org/licenses/by-nc-sa/4.0/ 1611