1. Akpan AE, Okwueze EE (2006) Shear wave observation in seismic refraction prospecting. J Min Geol 24(2):1–2
2. ANEEJ (2004) Oil of poverty in the Niger delta. Publ Afr Netw Environ Econ Justice 4(2):53–59
3. Atat JG, Akpabio GT, George NJ, Umoren EB (2013) Geophysical assessment of elastic constants of top soil using seismic refraction compressional and shear wave velocity in the Eastern Niger Delta, Nigeria. Int J Mod Appl Sc l(1):7–19
4. Dobrin MB (1976) Introduction to geophysical prospecting. McGraw Hill 6(3):50
5. Evamy BD, Harembource J, Kamerly P (1978) Hydrocarbon habit of tertiary Niger Delta. Am Assoc Petrol Geol Bull 6(2):1–29