@book{114700,
	author = {Hilgard, Eugene W.},
	title = {Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions},
	publisher = {Project Gutenberg,},
	year = {2024},
	address = {Salt Lake City, UT :},
	note = {Release date is 2024-07-05},
	url = {https://archive.org/details/soilstheirformat00hilguoft/page/n7/mode/2up}
}