An analysis of roof-pillar-weak floor interaction in partial extraction room-and-pillar mining.
By: W. M. Pytel and Y. P. Chugh.
Contributors: Chugh, Yoginder P.
Publisher: s.n
Published: 1990
Place of publication: S.l
Notes: In A. W. Khair (ed). Rock Mechanics as a Guide for Efficient Utilization of Natural Resources. Proc. 30th US Symp., WV. 1000pp.

1