@book{101719,
	author = {Schaeffer, Nathan Christ, and Brumbaugh, Martin Grove,},
	title = {Thinking and learning to think},
	publisher = {Project Gutenberg,},
	year = {2019},
	series = {Lippincott Educational Series, Vol. 1},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-12-10},
	url = {https://www.gutenberg.org/ebooks/60893}
}