TY - RPRT TI - An experimental single-sideband acoustical re-injection test method for Doppler systems. AU - J J Wallace AU - K Martin AU - T A Whittingham PY - 1993 DO - 10.1088/0967-3334/14/4/009 UR - https://pubmed.ncbi.nlm.nih.gov/8274972/ ID - 8274972 ER -