Coexistence of fusion hindrance and enhancement in the systems 'ANTPOT.18 O' + 'ANTPOT.58, 60, 64 Ni' - Pereira, Dirceu; Silva, Cely Paula da; Lubian, J; Rossi Junior, E S; Chamon, Luiz Carlos; Nobre, Gustavo Pires de Almeida; Alves, J J S (International Conference on Nuclear Reaction Mechanisms, 2006)