Lennart Harnefors Johnny Holmberg Svante Signell Suppression of overflow limit cycles in LDI allpass/lattice filters. 323-326 1999 conf/iscas/1999 ISCAS (3) http://doi.ieeecomputersociety.org/10.1109/ISCAS.1999.778850 db/conf/iscas/iscas1999-3.html#HarneforsHS99