1. N. P. Cheremisinoff and P. N. Cheremisinoff ,Flow Measurements for Engineers and Scientists, p. 122 , Dekker , New York , 1988 .
2. Bed-surface contact dynamics for horizontal tubes in fluidized beds
3. Statistical study of the grid zone behavior in a shallow gas—solid fluidized bed using a mini-capacitance probe
4. L. G. Lagace , C. D. Kissinger , Non Contact Displacement & Vibration Measurement Systems Employing Fiber Optic and Capacitance Transducers , Proc. 23rd Int. Instrumentation Symposium , Las Vegas , Nevada , 1977 .