Measurement of Interzonal Airflows Using Multiple Tracer Gas Techniques. Part 2-A Proposal for Tracer Gas Supply and an Analytical Method for Calculating Appropriate Interzonal Airflows.
4) ENAI M. Multiple Tracer Gas Techniques for Measuring Interzonal Airflows for Three Interconnected Spaces in Buildings. ASHRAE Trans.. (1990) vol.96, no.1, p.1-8.
5) ENAI M. Interzonal Airflows by Mathematical Solutions of Multiple Gas Concentrations and by Simultaneous Analysis in Case of Two-zone. 空気調和 衛生工学会北海道支部第30回学術講演論文集. (1996) p.87-90.