1. Hold-up profiles in packed beds;Achwal;Chem. Engng J.,1976
2. An electroconductivity technique for the measurement of axial variation of hold-ups in three-phase fluidized beds;Begovich;A.I.Ch.E.J.,1978
3. Signal Processing Modulation and Noise;Betts,1970
4. Some results of measurements in steady and non-steady state in an annular geometry obtained in the two-phase flow program of the Laboratory of Heat Transfer and Reactor Engineering of the Technological University of Eindoven;Bogaart,1964
5. Researches in adiabatic two-phase flow;Casagrande;Energia Nucleare,1962