On 26-Aug-2005, Rich Megginson wrote:
Are the X.5xx documents available on-line?
Yes:
http://www.itu.int/rec/recommendation.asp?type=products&lang=e&pa...
The first three you download are free; register here:
http://ecs.itu.ch/cgi-bin/ebookshop
After the free ones, the prices range from ~CHF20-100 (~USD15-75)
per document.
-Dave