@article {26710,
	title = {Concentric folding. In : Edmonton Geological Society annual field trip guide books. Second annual field trip guide book Rock Lake, August 1960},
	year = {1960},
	institution = {Edmonton Geological Society},
	address = {Edmonton, AB},
	url = {http://www.egs.ab.ca/Resources/EGS\%20Fieldtrips/prt37-\%20Alberta_Rock\%20Lak_1960_EGS\%20.pdf},
	author = {Dahlstrom, C. D. A.}
}
