3Topp G C,Davis J L,Annan A P.Electromagnetic determination of soil water content:Measurement in coaxial transmission lines[J].Wate Resour.Res.,1980,16:574-582.
4Paltineanu I C,Starr J L.Real-time soil water dynamics using mulitisensor capacitance probes:Laboratory calibration[J].Soil Sei.Soc.Am.J.,1997,61 (6):1576-1585.
