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Tunnelling and Underground Space Technology > 2017 > 70 > C > 254-261
Environmental Earth Sciences > 2017 > 76 > 16 > 1-19
SpringerPlus > 2016 > 5 > 1 > 1-19
Tunnelling and Underground Space Technology incorporating Trenchless Technology... > 2015 > 49 > Complete > 376-383
Arabian Journal for Science and Engineering > 2013 > 38 > 12 > 3289-3300
International Journal of Rock Mechanics and Mining Sciences > 1997 > 34 > 3-4 > 87.e1-87.e12