Enhanced monitoring of microbes on protsess surfacesMets, Marite; Kutsar, Liina; Veskus, Tiina; Rätto, Marjaana; Salo, Satu; Wirtanen, GunRisk assessment of microbial problems and preventative actions in food industry2008 / p.75-76 https://cris.vtt.fi/en/publications/enhanced-monitoring-of-microbes-on-process-surfaces