
1.		Introduction to congestion theory in telephone systems / R. Syski; pref. Sir thomas Eads; 2º Capítulo por N. H. G. Morris Autor: Syski, R. Data Publicação: 1960
2.		Telecommunications equipment / Automatic Telephone & Electric Co., Ltd. Data Publicação: [s.d.]
3.		Supplement to the compendium of the technical recommendations : issued by CCIF, CCIT, CCIR of the International Telecommunications Union / Automatic Telephone & Electric Co Ltd Data Publicação: 1957
4.		Compendium of the technical recommendations : issued by CCIF, CCIT, CCIR of the International Telecommunications Union / Automatic Telephone & Electric Co Ltd Data Publicação: 1955
5.		Mine signalling handbook / Automatic Telephone & Electric Co Ltd Data Publicação: 1957
6.		Guidance to the installation of telephone / Automatic Telephone & Electric Co. Ltd