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2007
Langenberg, W., & Waldron J. (2007).  Field guide to selected geological sections of the Cadomin and Jasper areas. Edmonton Geological Society Field Trip Guide, September 22-23, 2007. 32.
1997
Kelker, D., & Langenberg W. (1997).  Ellipsoid estimation in coal reflectance anisotropy. 29(2), 185-198.
1992
Langenberg, W., & Macdonald D. (1992).  Sedimentologic and tectonic controls on coal quality of a thick coastal plain coal in the Foothills of Alberta, Canada. Special Paper 267,
1991
Langenberg, W., Macdonald D., & Kalkreuth W. (1991).  Geology and coal quality of the Cadomin-Luscar coal field, Alberta. Open File Report 1989-09,
1990
Langenberg, W., & Fietz D. (1990).  Geology of the Cadomin East (83F/3) mapsheet. Open File Report 1990-12, 15.
Kalkreuth, W., & Langenberg W. (1990).  The Society for Organic Petrology, seventh annual meeting, field trip no. 2, September 12-14, 1990 : coal measures of the Rocky Mountain front ranges and foothills (Cascade coal basin, Pocahontas - Moosehorn Creek coal basin, Cadomin - Luscar Coalspur coa. 118.
1989
Langenberg, W., & et al (1989).  Coal quality variation in the Cadomin-Luscar coalfield, Alberta. Earth Sciences Report 89-1,
1988
Langenberg, W., & et al (1988).  An initial assessment of controls on coal quality in the Cadomin-Luscar coalfield. Open File report 1988-06,
Langenberg, W., Macdonald D., & Kalkreuth W. (1988).  Sedimentation and deformation of lower Cretaceous strata of the Cadomin-Luscar coal field, Alberta. Open File report 1988-10,
Kelker, D., & Langenberg W. (1988).  Statistical classification of macroscopic folds as cylindrical, circular conical, or elliptical conical. 20(6), 717-730.

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