1. Millimicrosecond time analyzer
2. A sub-nanosecond time-of-flight circuit utilizing the inherent modulation of a synchrotron beam
3. On the intrinsic time variance of fast timing circuits using tunnel diodes;Barna,1967
4. Hewlett-Packard Type HP460 AR.
5. Edgerton, Germeshausen and Grier Type TR 104S.