E.T Brown
Edward D. Thimons
MassMin 2000 (2000 Brisbane, Qld.)
Unknown Author
O. Stephansson
Edward D Thimons
David Zakharovich Gelʹman
Wolfgang Förster
Ignatʹev, A. D. dokt. tekhn. nauk
Alvaro Herdocia
International Symposium on Large Scale Underground Mining (1985 Luleå, Sweden)
Ernesto Villaescusa
D. Martin
R. H. Sprute
International Conference on Caving and Sublevel Stoping Mines (1981 Denver, Colo.)
International Conference on Caving and Sublevel Stoping (1981 Denver, Colo.)
Douglas F. Scott
Frank Fitch Grout
N. C. Joughin