Energy and environmental research emphasizing low-rank coal -- Task 5.1, Stability issues
C.M. Anderson
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M.A. Musich
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R.A. Dewall
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J.J. Richter
G.F. Weber
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M.L. Swanson
T.R. Aulich
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A.A. Grisanti
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C.L. Knudson
J.W. Nowok
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T.M. Strobel
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J.A. Bieber
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J.P. Hurley
B.A. Dockter
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D.F. Pflughoeft-Hassett