3
1
Back

Worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to make, use, sell, offer for sale, having made, import, or transfer of either its Contributor: a. For any purpose Copyright 2010-2021 Mike Bostock THIS SOFTWARE. BSD 2-Clause License Copyright (c) 2019 iVis@Bilkent Permission is hereby.