1. (1) Way, J. & Libby, P. A., “Hot-Wire Probes for Measuring Velocity and Concentration in Helium-Air Mixtures”, AIAA Journal, Vol.8, No.5 (1970), pp.976-978.
2. (2) Way, J. & Libby, P. A., “Application of Hot-Wire Anemometry and Digital Techniques to Measurements in a Turbulent Helium Jet”, AIAA Journal, Vol.9, No.8 (1971), pp.1567-1573.
3. Further applications of hot-wire anemometry to turbulence measurements in helium-air mixtures
4. Turbulence measurements in axisymmetric jets of air and helium. Part 2. Helium jet
5. (5) Brown, G. L. & Rebollo, M. R., “A Small, Fast-Response Probe to Measure Composition of a Binary Gas Mixture”, AIAA Journal, Vol.10, No.5 (1972), pp.649-652.