http://zenwalk.pinguix.com/user-accounts/rsamurti/ngspice/ZENBUILD
http://zenwalk.pinguix.com/user-accounts/rsamurti/ngspice/build-ngspice.sh
http://sourceforge.net/projects/ngspice/files/ng-spice-rework/24/ngspice-24.tar.gz
http://downloads.sourceforge.net/project/ngspice/ng-spice-rework/24/ngspice24-manual.pdf.gz
http://zenwalk.pinguix.com/user-accounts/rsamurti/ngspice/ngspice.png
http://users.ece.gatech.edu/~mrichard/Xspice/Xspice_Users_Manual.pdf
