1. | An introduction to the theory random signals and noise / Wilbur B. Davenport and William L. RootAutor: DAVENPORT, Wilbur B. Data Publicação: 1987 Tema: Engenharia | ||
2. | A study on the market for the transport of documents, goods and other articles / European Conference of Postal and Telecommunications AdministrationsData Publicação: 1987 Tema: Comunicações Eletrónicas |