@book{118570,
	author = {Einstein, Albert, and Scheel, Karl,},
	title = {Über die spezielle und die allgemeine Relativitätstheorie},
	publisher = {Project Gutenberg,},
	year = {2026},
	address = {Salt Lake City, UT :},
	note = {Release date is 2026-02-03},
	url = {https://www.gutenberg.org/ebooks/77850}
}