Measuring Light Air Ions in a Speleotherapeutic Cave
Roubal, Z., Bartušek, K., Szabó, Z., Drexler, P., Überhuberová, J.
A Non-Destructive Impedance Method Using Resonance to Evaluate the Concentration of Steel Fibers in Concrete
Bachorec, T., Fiala, P., Steinbauer, M., Roubal, Z.