1. Delay networks having maximally flat frequency characteristics;Thomson,1949
2. Time delay circuits;Thomson;IRE Trans. on Electronic Computers,1955
3. Design of a delay line for an analog correlator;Benedict,1958
4. A study of transport delay circuits for analog computers;King,1961
5. Delay lines in analog computer studies;Rubin;IEEE Trans Ind. Electronics and Cont. Instrumentation,1964