Wasp-Showcase: Software Configuration Management: http://www.tcs.hut.fi/Research/Logic/wasp/configuration/
DLV User Manual: http://www.dbai.tuwien.ac.at/proj/dlv/man/
Gentoo Developer's Handbook: http://www.gentoo.org/proj/en/devrel/handbook/handbook.xml?part=2&chap=1
Podrobnejsi popis formatu Gentoo ebuild: http://www.abclinuxu.cz/clanky/navody/gentoo-ebuild-1-zaciname-nazvy-ebuildu-a-promenne