@article {37156,
	title = {The heated annulus steam drive process for immobile tar sands. In : Fourth UNITAR/UNDP International Conference on Heavy Crude and Tar Sands, Meyer, R. F. and Wiggins, E. J. (eds.)},
	year = {1989},
	institution = {Alberta Oil Sands Technology and Research Authority},
	address = {Edmonton, AB},
	author = {Anderson, D. J.}
}
