Estimation of Circumferential-Mode Parameters of Living Trees. - Joakim Axmon; Maria Hansson (SIP, 1999)

Partial forward-backward averaging for enhanced frequency estimation of real X-texture modes. - Joakim Axmon; Maria Hansson; Leif Sörnmo (IEEE Trans. Signal Process., 2005)

Multiple-Window Cepstrum Analysis for Estimation of Periodicity. - Maria Hansson-Sandsten; Joakim Axmon (IEEE Trans. Signal Process., 2007)