Ultrazvukové vyšetření břicha neboli "sono břicha" - Ordinace.cz
Norwalk board OKs $2.9M to acquire 6 parcels next to SoNo school
Historic SoNo - Discover Norwalk
Thermoluminescence and photoluminescence properties of NaCl:Mn, NaCL:Cu nano-particles produced using co-precipitation and sono-chemistry methods - ScienceDirect