Dictionary of Scientific and Technical Terminology: English German French ... - Google Books

https://books.google.de/books?id=x0brCAAAQBAJ&pg=PA114&dq=Schwellenenergie+Threshold&hl=de&sa=X&ved=0CEwQ6AEwCDgUahUKEwi1l5novoX

Scientific and technical contacts between nations· have necessitated the publication of various language textbooks, manuals and reference books. Particularly important among them are multilingual scientifio and technical dictionaries. This…