@book{28809,
	author = {Plummer, Norman Vincen, and Hladik, William B.,},
	title = {Improvement of some Kansas clays through the control of pH and of soluble sulfates /},
	publisher = {[s.n.],},
	year = {1953.},
	series = {Kansas. State Geological Survey. Bulletin 102, pt. 7. 1953 Reports of studies, pt. 7},
	address = {Lawrence :},
	note = {Title page lacking.}
}