Preliminary assessment of major and trace elements content in the middle Cretaceous black shales of the Abakaliki fold belt, southeastern Nigeria - Ehinola, Olugbenga Ajayi; Abimola, A. F. (2002)
Bibliografija: 17 jed.
Sažetak
Keywords: Ležišta ugljikovodika -- Geokemijska istraživanja; Nigerija -- Ležišta ugljikovodika