@misc{lgplv21,
  title        = {GNU Lesser General Public License},
  version      = {2.1},
  shorthand    = {LGPL-2.1},
  organization = {Free Software Foundation},
  url          = {https://spdx.org/licenses/LGPL-2.1.html},
  pagination   = {section},
  language     = {english},
  date         = {1999-02},
  year         = 1999,
  month        = 2
}