FFT: Limitaciones y cuidados  (Spectral leakage FFT windowing, zero-padding, resolución de la FFT)

V. Oppenheim, S. Willsky, S. Hamid Signals and Systems Prentice Hall 1996 

Understanding FFT windows, Application note

Windows functions and their application in signal processing. H. Prabhu. CRC Press Taylor and Francis Group.