ISRMTT
SEMINAR ON ROCK MECHANICS AND TUNNELLING TECHNOLOGY (WITH SPECIAL REFERENCE TO N - NEW DELHI ISRMTT 1999 - 239p.,28X21Cms.
81-86501-23-1
622.2 I86
SEMINAR ON ROCK MECHANICS AND TUNNELLING TECHNOLOGY (WITH SPECIAL REFERENCE TO N - NEW DELHI ISRMTT 1999 - 239p.,28X21Cms.
81-86501-23-1
622.2 I86