Electromagnetic aquametry : electromagnetic wave interaction with water and moist substances ; [Fourth International Conference on Electromagnetic Wave Interaction with Water and Moist Substances Weimar May 2001 ; a collection of actual papers given at the conference] Recent Developments of Electromagnetic Aquametry. Dielectric Properties of Water and Moist Substances. Electromagnetic Wave Interactions with Water and Aqueous Solutions. Water in Polymers and Biopolymers Studied by Dielectric Techniques. Thermal and Geometrical Effects on Bulk Permittivity of Porous Mixtures Containing Bound Water. Model Systems for Materials with High Dielectric Losses in Aquametry. Moisture Measurement in Multi Layered Systems. Measurement Methods and Sensors in Frequency Domain. Methods of Density Independent Moisture Measurement. Microwave and RF Resonator Based Aquametry. Density and Moisture Measurements Using Microwave Resonators. Microwave Semisectorial and Other Resonator Sensors for Measuring Materials under Flow. Microstrip Transmission and Reflection Type Sensors Used in Microwave Aquametry. A Blind Deconvolution Approach for Free Space Moisture Profile Retrieval at Microwave Frequencies. Small Band Frequency Domain Spectroscopy and its Application in the low RF Range for On line Proccess Monitoring. Advanced Measurement Methods in Time Domain Reflectometry for Soil Moisture Determination. Simulations and Experimental Investigations for Detection of Moisture Profiles Using Time Domain Reflectometry. Combined TDR and Low Frequency Permittivity Measurements for Continuous Snow Wetness and Snow Density Determination. Principles of Ultra Wideband Sensor Electronics. Methods and Sensors for Quality Assesment to Products of Agriculture Food and Forestry. Permittivity Measurements and Agricultural Applications. Determination of the Composition of Foodstuffs Using Microwave Dielectric Spectra and Multivariate Calibration Methods. Microwave Dielectric Properties of Selected Commodities and Their Application for Quality Assessment. Moisture Measuring with Nuclear Magnetic Resonance (NMR).