TY - BOOK CN - T 1.2: CY - [Washington, DC : DA - 1993] ID - 185046 KW - Government communication systems N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 93-1001-M. N1 - "April 1, 1993." PB - U.S. Dept. of the Treasury : PB - For sale by the U.S. G.P.O., Supt. of Docs., PP - [Washington, DC : PY - 1993] T1 - Iowa communications network study TI - Iowa communications network study ER -