- Tytuł:
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Evaluation of fracture toughness of coal measures rock :
Singh ,R N ; Pathan, A G In: Ground Movement and Control Related to Coal Mining (papers to the Symposium, Illawarra, August 1986)P41–50. Pub Parkville: Aus IMM, 1986 - Źródło:
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In
International Journal of Rock Mechanics and Mining Sciences and Geomechanics Abstracts 1987 24(6):269-269
Czasopismo naukowe