Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 24 references without a DOI — listed, not checked
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no DOI — not checkedBurton E, Friedmann J, Upadhye R (2007) Best practices in underground coal gasification. Lawrence Livermore National Laboratory, USA
no DOI — not checkedChen TF, Xu JY, Liu S, Zhi LP (2013) Experimental study on ultrasonic and mechanical properties of sandstone influenced by water-saturation and high temperature. Chin J Underg Space Eng 9(6):1236–1241
no DOI — not checkedde Pater CJ, Wolf KHAA (1992). High temperature properties of rock for underground coal gasification. In: ISRM symposium: Eurock’92 rock characterization, pp 310–320
no DOI — not checkedDmitriyev AP, Kuzyayev LS, Protasov YI, Yamsbcbikov VS (1969) Physical properties of rocks at high temperatures. Nedra Press, Moscow
no DOI — not checkedHajpál M, Török Á (1998). Petrophysical and mineralogical studies of burnt sandstones. In: 2nd International PhD Symposium in Civil Engineering, Budapest, pp 1–9
no DOI — not checkedLan JL (2009) A study of the mechanical properties of sandstone after cyclic thermal action (Master thesis). National Cheng Kung University, Taiwan
no DOI — not checkedLuo YJ, Qin BD (2005) Experimental study on high temperature effects on elastic modulus of sandstone. Ground Press Strata Control 2:98–99
no DOI — not checkedMeng ZP, Li MS, Lu PQ, Tian JQ, Lei Y (2006) Temperature and pressure under deep conditions and their influences on mechanical properties of sandstone. Chi J Rock Mech Eng 25:1177–1181
no DOI — not checkedQin BD, He J, Chen LJ (2009) Experimental research on mechanical properties of limestone and sandstone under high temperature. J Geomech 15:253–261
no DOI — not checkedSu CD, Guo WB, Li XS (2008) Experimental research on mechanical properties of coarse sandstone after high temperatures. Chi J Rock Mech Eng 27:1162–1170
no DOI — not checkedTian H, Kempka T, Xu NX, Ziegler M (2013) A modified Mohr-Coulomb failure criterion for intact granites exposed to high temperatures. Springer Series in Geomechanics and Geoengineering, Berlin, pp 379–393
no DOI — not checkedWolf KHAA, Hettema MHH, de Pater CJ, van Hooydonk R (1992) Classification of overburden properties for underground coal gasification: laboratory studies under high temperature and in situ stress conditions. In ISRM Symposium: Eurock’92, ed. J. A. Hudson, pp 99–104. Chester, UK: Thomas Telford Services Ltd, London
no DOI — not checkedWu YK (2007) Experimental study on uniaxial tensile strength characteristic of grit stone after high temperature. J Henan Polytech Univ (Nat Sci) 26:570–574
no DOI — not checkedWu Z, Qin BD, Chen HJ, Luo YJ (2005) Experimental study on mechanical character of sandstone of the upper plank of coal bed under high temperature. Chi J Rock Mech Eng 24:1863–1867
no DOI — not checkedWu G, Xing AG, Zhang L (2007) Mechanical characteristics of sandstone after high temperatures. Chi J Rock Mech Eng 26:2110–2116
no DOI — not checkedYin GZ, Li YS, Zhao HB (2009) Experimental investigation on mechanical properties of coarse sandstone after high temperature under conventional triaxial compression. Chi J Rock Mech Eng 28:598–604
no DOI — not checkedYin TB, Li XB, Yin ZQ, Zhou ZL, Liu YL (2012) Study and comparison of mechanical properties of sandstone under static and dynamic loading after high temperature. Chi J Rock Mech Eng 31:273–279
no DOI — not checkedZhan F, Cai M (2007) Influence of high temperature on anchoring system of cable bolts at stope hangingwall. J Liaoning Tech Univ 26:524–526
no DOI — not checkedZhang LY, Mao XB, Lu AH (2010) Experimental study on the mechanical properties of rocks at high temperature. Sci China E-Tech Sci 40:157–162
no DOI — not checkedZhao YS (2000) Rock mechanics problems in geothermal exploitation of hot dry rocks. In: Proceedings of the 6th academy conference of Chinese rock mechanics and engineering, Wuhan, pp 361–364
no DOI — not checkedZhao HB, Yin GZ, Li XS (2010) Experimental study of characteristics of tensile burned gritstone. Rock Soil Mechan 31:1143–1147
no DOI — not checkedZhou QC, Li HB, Yang CH, Ma HS, Chen LJ (2005) Experimental study on thermo-mechanical and hydro-mechanical coupling of sandstone for west route of south-to-north water transfer project. Chi J Geotech Eng 24:3539–3645
no DOI — not checkedZhu JD, Fang R, Zhu ML, Qu WP, Yuan HN (2007) Study of mechanical performance of marble under high pressure and cyclic temperature. Rock Soil Mech 28:2279–2283
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