Verified locator: IEEE Transactions on Sonics and Ultrasonics SU-32(3), 458–464, May 1985. Original p. 458 gives full bylines Chihiro Kasai, Koroku Namekawa, Akira Koyano and Ryozo Omoto. Abstract and Sections II–III describe autocorrelation estimates, a combined pulsed Doppler system and scanner/phantom experiments. Original paper PDF hosted by Technical University of Denmark.