| ID | 007346 |
| Call Number | X3'N<-C 111M9A |
| Title Proper | Communications |
| Other Title Information | yesterday, today and tomorrow |
| Language | ENG |
| Author | B N Ahuja & S S Chhabra |
| Publication | Delhi, Surjeet Publications, 1989. |
| Description | 199p. ; 21cm |
| Classification Number | X3'N<-C |