CCP3 Program Library for calculation of surface properties <author> <version> <abstract> The CCP3 software library contains several widely used packages for the calculation of surface properties. The primary information required in these calculations is the detailed structure of the surface region. <description><url>http://www.dl.ac.uk/CCP/CCP3/software.html</url> <reference><url></url> <contact>n.harrison@dl.ac.uk <keywords>application library <category>application <publication-date> <environment> <method>local density approximation (LDA) <application>electron structure, surface spectroscopy and scattering <comments> </urc>