1. State and parameter estimation in chemical and biochemical processes: a tutorial
2. R. Leal Ascencio Artificial neural networks as a biomass virtual sensor for a batch process In Proceedings of the 2001 IEEE international symposium on intelligent control 2001
3. B. Li Artificial neural network based software sensor for biomass during microorganism cultivation PhD thesis 2003
4. A. Amicarelli F. di Sciascio H. Álvarez O. Ortiz (In Spanish) estimación de biomasa en un proceso batch: aplicación a la producción de δ-endotoxinas de Bt XXII Interamerican congress of chemical engineering 2006