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Displaying 1-1 of 1 results for author "Zipf, R. Karl."
A fracture mechanics study of crack propagation mechanism in coal [microform] : the mechanics of fine fragment formation : fifth annual report (October 1, 1987-September 30, 1988) / Z.T. Bitniawski, R. Karl Zipf, Jr.
- Text
- [University Park, Pa.] : College of Earth and Mineral Sciences, PennState, 1988.
- 1988
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