1.		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
2.		Mine signalling handbook / Automatic Telephone & Electric Co Ltd Data Publicação: 1957
3.		Compendium of the technical recommendations : issued by CCIF, CCIT, CCIR of the International Telecommunications Union / Automatic Telephone & Electric Co Ltd Data Publicação: 1955
4.		Telecommunications equipment / Automatic Telephone & Electric Co., Ltd. Data Publicação: [s.d.]