000 00252 a2200073 4500
100 _aPorathur, John Loui; Roy, Pijush Pal; Shen, Baotang and Karekal, Shivakumar
_9179020
245 _aHighwall Mining: Applicability, Design & Safety
260 _bCRC Press
_c2017
999 _c98108
_d98108