1. Biomass estimation in plant cell cultures using an extended Kalman filter
2. J.M. Antle, and G. Uehara .2002. Creating incentives for sustainable agriculture: defining, estimating potential, and verifying compliance with carbon contracts for soil carbon projects in developing countries . InA Soil Carbon Accounting System for Emissions Trading. Special Publication SM CRSP 2002-4.University of Hawaii, Honolulu, HI, pp.1 -12 .
3. A. Bationo, U. Mokwunye, P.L.G. Vlek, S. Koala, and B.I. Shapiro .2003. Soil fertility management for sustainable land use in the West African Sudano-Sahelian zone. In Gichuru, M.P., A. Bationo, M.A. Bekunda, H.C. Goma, P.L. Mafongonya, D.N. Mugendi, et al ., Eds.Soil Fertility Management in Africa: A Regional Perspective. Academy Science Publishers,Nairobi, pp.253 -292 .
4. Tillage-Induced Spatial Distribution of Surface Crusts on a Sandy Paleustult from Togo
5. Analysis Scheme in the Ensemble Kalman Filter