Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Guidance on software maintenance:



Roger J Martin, Wilma M Osborne
- NBS SP 500-106
Report Number
NBS SP 500-106


Martin, R. and Osborne, W. (1983), Guidance on software maintenance:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 24, 2024)
Created January 1, 1983, Updated May 19, 2023