https://prospex.in/high-rate-anaerobic-digestor.html
Prospex – High rate anaerobic digestor
anaerobic digestorprospexhighrate
https://publications-cnrc.canada.ca/eng/view/object/?id=a5142456-cecd-41d2-a423-8d4a9b12e796
'Variable Structure Model - Based Monitoring of an Anaerobic Digestor - NRC Publications Archive -...
'Variable Structure Model - Based Monitoring of an Anaerobic Digestor
of ananaerobic digestorvariablestructuremodel