@mastersthesis {28972,
	title = {Residual shear strength of some pure clay minerals},
	volume = {Civil Engineering},
	year = {1972},
	pages = {459},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/205401493},
	author = {Chattopadhyay, Pradyot Kumar}
}
