1. Direct measurement of velocity by hot-wire anemometry;BAUER;A.I.A.A. Jl,1965
2. P. B. EARNSHAW, The electric-spark technique applied to the measurement of velocity in a leading-edge vortex, R.A.E. Tech. Note Aero 2947 (1964).
3. Water velocity measurements using a sequence of sparks;LAHAYE;A.I.A.A. Jl,1967
4. The cup anemometer;PATTERSON;Trans. Roy. Soc. Canada,1926
5. An improved design of cup anemometer;SHEPPARD;J. Scient. Instrum.,1940