00263nam a2200109Ia 450000500170000008000190001710000180003624500410005426000300009530000100012558300180013520260716043853.0  a19.01.06 A4291  aAllen, Sheila  aGuide for users of registry services  bCCSa[Georgetown]GYc1997  a16 p.  c3/13/08kJOYD