@book{80803,
	author = {Dietzgen, Joseph, and Pannekoek, Anton,},
	title = {The positive outcome of philosophy},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-06-10},
	url = {https://www.gutenberg.org/ebooks/39964}
}