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Conference Paper
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Kodama H. (1988).  Comparative study of organic rich solids present in Utah and Athabasca oil sands. 10 pages . Abstract
Sparks, B. D., Kotlyar L. S., & Majid A. (1991).  A study of factors affecting the stability of tailings sludge produced by the hot water bitumen extraction process. 12 pages .
Kotlyar, L. S., Kumar A., Ripmeester J. A., Schutte R., & Sparks B. D. (1993).  Ultrafines gelation and fine tails structure formation. 11 pages .
Journal Article
Kotlyar, L. S., Ripmeester J. A., & Sparks B. D. (1989).  13C NMR charcterisation of humic matter present in different oil sands. 7, 477-.
Kotlyar, L. S., Ripmeester J. A., & Sparks B. D. (1989).  13NMR characterization of humic matter present in different oil sands. 7(5-6), 477-505.
Ripmeester, J. A., Kotlyar L. S., & Sparks B. D. (1993).  2H NMR and the sol-gel transition in suspension of colloidal clays. 78, 57-63.
Sparks, B. D., Kotlyar L. S., O'Carroll J. B., & Chung K. H. (2003).  Athabasca oil sands: effect of organic coated solids on bitumen recovery and quality. 39(3-4), 417-430.
Kotlyar, L. S., Sparks B. D., Woods J., Capes C. E., & Schutte R. (1995).  Biwetted ultrafine solids and structure formation in oil sands fine tailings. 74(8), 1146-1149.
Woods, J. R., Kung J., Pleizier G., Kotlyar L. S., Sparks B. D., Adjaye J., et al. (2004).  Characterization of a coker gas oil fraction from Athabasca oilsands bitumen. 83(14-15), 1907-1914.
Yang, P. W., Mantsch H. H., Kotlyar L. S., & Woods J. R. (1988).  Characterization of Athabasca tar sand maltenes by diffuse reflectance infrared spectrometry. 2(1), 26-31.
Kotlyar, L. S., Deslandes Y., Sparks B. D., Kodama H., & Schutte R. (1993).  Characterization of colloidal solids from Athabasca fine tails. 41(3), 341-345.
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Montgomery D. S. (1988).  Characterization of oil sands solids closely associated with Athabasca bitumen. 67(6), 6 pages . Abstract
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Montgomery D. S. (1988).  Characterization of organic-rich solids fractions isolated from Athabasca oil sand using a cold water agitation test. 67(2), 221-226.
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Montgomery D. S. (1988).  Characterization of organic-rich solids fractions isolated from Athabasca oil sand using a cold water agitation test. 67(2), 5 pages . Abstract
Li, Z. F., Kung J., Tu Y., Kotlyar L. S., & Chung K. H. (2004).  Characterization of ultra fine solids (BS) in Athabasca bitumen. 23(7), 751-754.
Zhao, S., Kotlyar L. S., Woods J. R., Sparks B. D., J. G., & Chung K. H. (2003).  The chemical composition of solubility classes from Athabasca bitumen pitch fractions. 21(1), 183-199.
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Woods J. (1988).  Comparative study of organic matter derived from Utah and Athabasca oil sands. 67(11), 1529-1535.
Kotlyar, L. S., Ripmeester J. A., Sparks B. D., & Woods J. (1988).  Comparative study of organic matter derived from Utah and Athabasca oil sands. 67(11), 6 pages . Abstract
Zhao, S., Sparks B. D., Kotlyar L. S., & Chung K. H. (2007).  Correlation of processability and reactivity data for residua from bitumen, heavy oils and conventional crudes : characterization of fractions from super-critical pentane separation as a guide to process selection. 125(3-4), 122-136.
Kotlyar, L. S., Sparks B. D., Woods J. R., Raymond S., Le Page Y., & Shelfantook W. (1998).  Distribution and types of solids associated with bitumen. 16(1), 1-19.
Kotlyar, L. S., Sparks B. D., Kodama H., & Grattan-Bellew P. E. (1985).  The distribution of inorganic matter-humic complexes during a solvent extraction-spherical-agglomeration process for bitumen recovery from Athabasca oil sand. 2(2), 121-130.
Wik, S., Sparks B. D., Ng S., Tu Y., Li Z., Chung K. H., et al. (2008).  Effect of bitumen composition and process water chemistry on model oilsands separation using a warm slurry process simulation. 87(7), 1413-1421.
Kotlyar, L. S., Sparks B. D., Le Page Y., & Woods J. R. (1998).  Effect of particle size on the flocculation behaviour of ultra-fine clays in salt solutions. 33(1), 103-107.
Wik, S., Sparks B. D., Ng S., Tu Y., Li Z., Chung K. H., et al. (2008).  Effect of process water chemistry and particulate mineralogy on model oilsands separation using a warm slurry extraction process simulation. 87(7), 1394-1412.
Kotlyar, L. S., Sparks B. D., & Schutte R. (1996).  Effect of salt on the flocculation behavior of nano particles in oil sands fine tailings. 44(1), 121-131.

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