tree 41c49da3bf3989a8dc61f0a0523501a1e3e5c639
parent 43387f38d221cacf7f2794dccdd327be3d3712a5
author tom <tom@onlab.us> 1409181735 -0700
committer tom <tom@onlab.us> 1409181735 -0700

Adding model abstractions to help flesh-out the concepts.