autores Antonio Onofre Abdallah, J. Abreu, P. Adam, W. Adzic, P. Albrecht, T. Alemany-Fernandez, R. Allmendinger, T. Aksoy-Aksel, A.
Digital Object Identifier (DOI) https://doi.org/10.1140/epjc/s10052-007-0506-1 https://doi.org/10.1140/epjc/s10052-008-0647-x