https://bioresources.cnr.ncsu.edu/resources/computer-control-of-a-papermachine-using-a-linear-state-space-model/
Computer Control of a Papermachine Using a Linear State Space Model :: BioResources
computer controlof astate space
https://pubchem.ncbi.nlm.nih.gov/patent/EP-0592551-B1
Press roll for a papermachine - Patent EP-0592551-B1 - PubChem
EP-0592551-B1 chemical patent summary.
press rollfor apatenteppubchem