Cordourier-Maruri, H.A. and Orduña-Bustamante, F. 2009. Active control of periodic fan noise in laptops: spectral width requirements in a delayed buffer implementation. Journal of Applied Research and Technology. 7, 02 (Aug. 2009). DOI:https://doi.org/10.22201/icat.16656423.2009.7.02.495.