1
Published: 1925
Superior document: Reprint / Bell Telephone Laboratories B-158-1
2
Published: 1930
Superior document: Reprint / Bell Telephone Laboratories B-445
3
Published: 1929
Superior document: Reprint / Bell Telephone Laboratories B-436
4
Published: 1936
Superior document: Bell telephone system B-967
5
Published: [2022]
Superior document: Title is part of eBook package: De Gruyter DGBA Reference Works <1990
Links: Get full text; Get full text; Cover