5anelid I, Kvapil J R. Sublevel caving [J ]. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts,1966,3(2) :129 - 132.
6Serafettin Alpay, Mahmut Yavuz. Underground mining method selection by decision making tools [ J ]. Tunnelling and Underground Space Technology,2009, (24) : 173 - 184.