@article {32742,
	title = {Surveys of some tar sand sludge ponds : results and interpretations. Proceedings of the Applied Oilsands Geoscience Conference June 11-13, 1980, Edmonton, AB},
	year = {1980},
	pages = {p. 46},
	author = {Roberts, J. O. L. and Yong, R. N. and Erskine, H. L.}
}
