Experiences from the stfi opti-kappa and its use for the control of pulping processes

1.0 3600 rich Experiences from the stfi opti-kappa and its use for the control of pulping processes https://www.library.sk/arl-sldk/sk/detail-sldk_un_cat-r026570-Experiences-from-the-stfi-optikappa-and-its-use-for-the-control-of-pulping-processes/