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Spectrum v.4.0 (archived)
The Spectrum standard has been revised and republished several times since the first publication in 1994. This version is Spectrum 4.0, published in March 2011. Spectrum 4.0 describes 21 collections...
View ArticleSpectrum v.3.2 (archived)
Spectrum version 3.2 was released in 2009 as an update to Spectrum v.3.0. Click the link on the right-hand side to access Spectrum 3.2 as a PDF. The document includes the standard and the units of...
View ArticleInformation requirements – changes in Spectrum 5.0
This extract from the appendix volume of Spectrum 5.0 lists the changes to the information requirements in this latest version compared to Spectrum 4.0. It will be useful if you use a Spectrum...
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