1. Moore, G.E.: Cramming More Components onto Integrated Circuits. Electronics Magazine (1965)
2. Pallipadi, V.: Enhanced Intel SpeedStep Technology and Demand-Based Switching on Linux,
http://software.intel.com/en-us/articles/enhanced-intel-speedstepr-technology-and-demand-based-switching-on-linux/
3. CPU Frequency Scaling,
https://wiki.archlinux.org/index.php/Cpufrequtils
4. CPUSpeed,
http://www.carlthompson.net/Software/CPUSpeed
5. AMD PowerNow! Technology,
http://support.amd.com/us/Embedded_TechDocs/24404a.pdf