mendeleev - A Python package with properties of chemical elements, ions, isotopes and methods to manipulate and visualize periodic table.

What's Changed Fix URL in references.bib by @paulromano in https://github.com/lmmentel/mendeleev/pull/108 Fix import warning for declarative_base by @lmmentel in https://github.com/lmmentel/mendeleev/pull/109 Add vis extra by @lmmentel in https://github.com/lmmentel/mendeleev/pull/110 New Contributors @paulromano made their first contribution in https://github.com/lmmentel/mendeleev/pull/108 Full Changelog: https://github.com/lmmentel/mendeleev/compare/v0.13.0...v0.13.1If you use this software, please cite it as below