@book{94612,
	author = {Martindale, Joseph C.},
	title = {First Lessons in Natural Philosophy for Beginners},
	publisher = {Project Gutenberg,},
	year = {2016},
	address = {Salt Lake City, UT :},
	note = {Release date is 2016-12-20},
	url = {https://www.gutenberg.org/ebooks/53778}
}