TY  - BOOK
ED  - United States.
TI  - Integrated environmental assist once act: hearing before the Subcommittee on Health and Environment of the Committee on Intersate and Foreign Commerce, House of Representatives ninety-sixth congress
U1  -  621.38 
PY  - 1977///
CY  - Washington, D. C.
PB  - United States Government Printing Office
KW  - Telecommunication systems
KW  - Digital communication systems
KW  - Computer networks
N1  - Serial no.96-153
ER  -