00935cam a22002651 4500 gs 52000017 DLC 20260227111358.0 910403s1951 abc 000 0 eng gs 52000017 (OCoLC)23368458 DLC MoU MoU DLC premarc TN850 .P27 Pasternack, D. S. The components of the bitumen in Athabasca bituminous sand and their significance in the hot water separation process, by D. S. Pasternack and K. A. Clark. Edmonton, A. Shnitka, King's Printer, 1951. 14 p. 10 tables. 26 cm. Research Council of Alberta. Report no. 58 Bibliography: p. 14 Bituminous materials Clark, Karl A. (Karl Adolph) 1888-1966. Athabasca bituminous sand. Report (Research Council of Alberta) ; no. 58. 28599 28599