TY  - BOOK
AU  - Hammer,Volker
AU  - Pordesch,Ulrich
AU  - Rossnagel,Alexander
TI  - Betriebliche Telefon- und ISDN-Anlagen rechtsgemäss gestaltet
SN  - 9783540565116
PY  - 1993///
CY  - Berlin, New York
PB  - Springer
KW  - Telecommunication and telecontrol
KW  - Telegraphy, telephony, radio, television services
N1  - Includes bibliographical references (p. [235]-243) and index
ER  -