In situ measurements of complex permittivity and moisture content in oil palm fruitsK. Y. Lee, Z. Abbas, Y. K. Yeow, M. D. Nur Sharizan and C. E. MengEur. Phys. J. Appl. Phys., 49 3 (2010) 31201DOI: https://doi.org/10.1051/epjap/2010007