Citation: Juan M. Salas; M. Angustias Romero; Abderrahman Rahmani; Miguel Quir\'os (1996). Dimeric complexes generated by the reaction of 5,7-dimethyl[1,2,4]triazolo[1,5-a]pyrimidine and silver sulphate: X-ray evidence of the coexistence of two different dimers in the same crystal. Anales de Quimica, International Edition, 92, pp. 249-254.