7 Sonia Goldenberg, witness Pilar Coll, witness Ricardo Chumbes-Paz, witness José Burneo, witness Rolando Ames, witness César Delgado, witness José Ráez-González, witness Augusto Yamada-Yamada, witness Juan H. Kruger, witness Robert H. Kirschner, expert Clyde C. Snow, expert Guillermo Tamayo, expert Enrique Bernardo, expert Regardless of the notice served by the Court, the following witnesses offered by the Commission did not appear at these hearings: Aquilina M. Tapia de Neira José Rojas-Mar Agustín Mantilla-Campos César Elejalde-Estenssoro Enrique Zileri Juan de Dios Jiménez-Morán César San Martín-Castro Notwithstanding the fact that the Secretariat had opportunely convoked the Judge ad hoc, he did not appear at these hearings. Judge Máximo Pacheco-Gómez excused himself from participating in the XXVIII Regular Session and, consequently, was not present at these hearings. 38. The Court granted the parties a term ending September 10, 1993 by which to submit their written conclusions concerning the evidence presented in this case. The Commission and the Government submitted their conclusions in due time.