By Goel R.K.   Dube A.K.   in Tunneling and Underground Space Technology

ISSN:0886-7798|14|3|349-354

Elsevier‎(1999)‎

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By Singh B.   Goel R.K.   Jethwa J.L.   Dube A.K.   in Engineering Geology

ISSN:0013-7952|48|1|59-81

Elsevier‎(1997)‎

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