@book{110353,
	author = {Einstein, Albert,},
	title = {Fundamental ideas and problems of the theory of relativity},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-12-18},
	url = {https://www.nobelprize.org/prizes/physics/1921/einstein/lecture/}
}