TY - RPRT TI - A new ultrasonic imaging system using time delay spectrometry. AU - R C Heyser AU - D H Le Croissette PY - 1974 DO - 10.1016/0301-5629(74)90002-7 UR - https://pubmed.ncbi.nlm.nih.gov/4428522/ ID - 4428522 ER -