Article · Journal · 1975
D. E. U. Ekong, Joseph I. Okogun, V. U. ENYENIHI, VALERIA BALOGH-NAIR, KOJI NAKANISHI, CLAYTON NATTA
Nature
as printed: DONALD E. U. EKONG
as printed: JOSEPH I. OKOGUN
as printed: VICTORIA U. ENYENIHI
A work can sit in several, each with a score