Noise control : from concept to application

by Hansen, Colin H., Hansen, Kristy L.
Published 2021

Fourier transforms : principles and applications

by Hansen, Eric W.
Published 2014

Founding Mathematics on Semantic Conventions

by Hansen, Casper Storm
Published 2021

Differential Geometry : Proceedings of the Nordic Summer School held in Lyngby, Denmark Jul. 29–Aug. 9, 1985

by Hansen, Vagn
Published 1987