You are the key!
Subtitle: Automated Information Systems Security : instructor guide.
Series: Training -- 9546-001 (3-90); Training (United States. Internal Revenue Service) -- 9546-001.
Publisher: Internal Revenue Service
Published: 1990
Place of publication: [Washington, D.C.?
Language: eng
Number of pages: 20
Subjects: United States. -- Internal Revenue Service -- Databases -- Security measures.; Electronic data processing departments -- United States -- Security measures.; Data protection -- United States.
Notes: Cover title.

Shipping list no. 90-298-P.

"TPDS 89536."