APA

Friesen W. I., Michaelian K. H. & Michaelian K. H.Effect of solvent-to-bitumen ratio on the pyrolysis properties of precipitated athabasca asphaltenes. : .

Chicago

Friesen Waldemar I, Michaelian Kirk H and Michaelian Kirk H.Effect of solvent-to-bitumen ratio on the pyrolysis properties of precipitated athabasca asphaltenes. : .

Harvard

Friesen W. I., Michaelian K. H. and Michaelian K. H.Effect of solvent-to-bitumen ratio on the pyrolysis properties of precipitated athabasca asphaltenes. : .

MLA

Friesen Waldemar I, Michaelian Kirk H and Michaelian Kirk H.: . .