Application of In-Situ and Soft-Sensors for Estimation of Recombinant P. pastoris GS115 Biomass Concentration: A Case Analysis of HBcAg (Mut+) and HBsAg (MutS) Production Processes under Varying Conditions. - Oskars Grigs; Emils Bolmanis; Vytautas Galvanauskas (Sensors, 2021)