1. Characterization of Multipath on Land and Sea at GPS Frequencies;Auber,1994
2. The scattering of electromagnetic waves from rough surfaces;Beckmann,1963
3. Principles of optics;Born,1964
4. Methodology for determining compatibility of GPS L5 with existing systems and preliminary results;Hegarty,1999
5. Measuring surface soil parameters using passive microwave remote sensing. The ELBARA campaign 2003, HD-No.: 639;Holmes,2003