Bernhard Lichtberger
Physiker
Werke:
- Demiryolu cep kitabı : altyapı - üstyapı - bakım - ekonomiklik
- Kidō-sōran : substructure, track system, maintenance, economics = Track compendium
- Track compendium : track system, substructure, maintenance, economics
- Spravočnik "železnodorožnyj putʹ" : nižnee stroenie - verchnee stroenie - tekuščee soderžanie - ėkonomičeskaja ėffektivnostʹ