of possible interest All Over The Globe - The Past, Present and Future of Communication Cables by D. Sharle (1989) https://archive.org/details/d.-sharle-all-o

of possible interest All Over The Globe - The Past, Present and Future of Communication Cables by D. Sharle (1989) https://archive.org/details/d.-sharle-all-over-the-globe-mir-1989 https://archive.org/details/d.-sharle-all-over-the-globe-mir...