Benoît Champagne 0001 Moshe Eizenman Subbarayan Pasupathy Exact maximum likelihood time delay estimation. 2633-2636 1989 ICASSP https://doi.org/10.1109/ICASSP.1989.267008 conf/icassp/1989 db/conf/icassp/icassp1989.html#ChampagneEP89