TY  - BOOK
AU  - Vries,Leonard de
AU  - Oosterveen,Karla
AU  - Straaten,Gerard van
TI  - The book of telecommunications: telegraph, telephone, radio in the past, present and future 
PY  - 1962///
CY  - London
PB  - John Murray
KW  - Telephone
KW  - history
KW  - Telegraph
KW  - Radio
N1  - Translation of "Telecommunicatie"
ER  -