%0 Journal Article %T Manuscript Information Geoenvironmental Investigation of Subsurface Structure in Parts of Calabar South, Southeastern Nigeria: Seismic Refraction Approach Authors Abstract Keywords Reference %A Sikakwe Gregory Udie^George Michael Anthony^Nwachuckwu Arthur Nwachukwu^Anyaegbunam Felix Nwachinemelu Chinedum %J - %D 2017 %U http://www.aascit.org/journal/archive2?journalId=899&paperId=5662