Delay Estimation In Chain Of Inverters
- "Principles of cmos vlsi design" by Weste-Eshraghian
- "Logical effort: designing fast CMOS circuits" by Ivan Edward Sutherland, Robert F. Sproull, David F. Harris
- "Practical low power digital VLSI design" by Gary K. Yeap
- "Low Power Design Essentials" by Jan Rabaey