Title:Synthesis of a 12R-type hexagonal perovskite solid solution Sr3NdNb3-xTixO12-delta and the influence of acceptor doping on electrical properties / A.L. Chinelatto ... [et al.].
Title:Developing Effective Partnerships in Peacekeeping Operations between the UN and Regional Organizations. A Recent Report of the UN Secretary General on the transition in Mali and in the Central African Republic