United States entry/exit tracking :  hearing before the Subcommittee on Homeland Security of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, second session, special hearing, January 25, 2006, Washington, DC. 

 - Washington :  U.S. G.P.O. :  For sale by the Supt. of Docs., U.S. G.P.O.,  2006. 
 - iv, 65 pages ;  24 cm. 
 - S. hrg. ;  109-568 .
 - United States.  Congress.  Senate.  S. hrg. ;  109-568. .
<br/><br/> Shipping list no.: 2007-0077-M.  CRDP Program record. 
<br/><br/>Includes bibliographical references. 
<br/><br/><br/>Microfiche. <br/>Washington : <br/>Supt. of Docs., U.S. G.P.O., <br/>2006. <br/>1 microfiche : negative. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visas--Government policy--United States.<br/>Aliens--Identification.--United States<br/>Biometric identification--United States.<br/>Internetworking (Telecommunication)--United States.<br/>National security--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Emigration and immigration--Government policy.
<br/><br/><label>GPO Item No.: </label>1033-A (MF) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.AP 6/2:S.HRG.109-568