By Okagbue C.   Ochulor O.   in Bulletin of Engineering Geology and the Environment

ISSN:1435-9529|66|2|143-151

Springer Publishing Company ‎(2007)‎

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By Okagbue C.O.   Onyeobi T.U.S.   in Engineering Geology

ISSN:0013-7952|53|3|371-380

Elsevier‎(1999)‎

Access to resources Favorite 2.5003612