TY  - GEN
AU  - Narula, Uma
TI  - Mass communication technology: new perspectives
SN  - 8124107114
AV  - TK5101 NAR 2001 
PY  - 2001///
CY  - New Delhi
PB  - Har-Anand Publications
KW  - Telecommunication
KW  - Communication and traffic
N1  - Includes bibliographical references and index
ER  -