For more on the SDP, read these archive articles from 5 February 1981 and 28 August 1987.
Each chapter includes maps, data, picture galleries, audio interviews and archive articles.
It includes more than 200 digital pages, with a mixture of archive articles, audio clips, album artwork and photographs.
The Guardian archive articles from the time were dug up by our research team and our feature writer Stephen Moss started to write the copy.
Picture gallery Guardian photographers at the scene Interactive guide See how the crash happened Archive articles 06.10.1999: Carnage: the cost of going through a red warning signal 05.10.1999: Reaction to the crash 07.10.1999: Signal 109 said stop.
We archive articles in PDF/A format, movies in MPEG3 format, or protein structures in mmCIF format because these formats are well documented and allow anyone, at any point in time, to interpret the archived contents, even if today's software tools are no longer usable because of the inherent instability of computational environments.
"A Nation Challenged: One Year Later" (//www.nytimes.com/pages/nationchallenged/index.html) from NYTimes.com offers archived articles, multimedia and more.
A collection of resources and archived articles about Bob Casey Jr., the Pennsylvania senator who on Friday endorsed Barack Obama, as selected by researchers and editors of The New York Times.
Over the past 25 years, only two of the 3,124 archived articles that mentioned Nielsen and "ratings" included a reference to the margin of error.
Sports Illustrated opened its first retail store at the Detroit airport in September, and was installing airport kiosks that display sports scores and archived articles.
