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[1]https://wiki.fysik.dtu.dk/gpaw/documentation/pdos/pdos.html#density-of-states
[2]https://cms.mpi.univie.ac.at/vasp/vasp/LORBIT.html
[3]Maintz, Stefan, et al. "Analytic projection from plane©\\wave and PAW wavefunctions and application to chemical©\\bonding analysis in solids." Journal of computational chemistry 34.29 (2013): 2557-2567.
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