<http://webisa.webdatacommons.org/194358128>	<http://www.w3.org/ns/prov#value>	"Formed in 1981 to research non-toxic forms of pest control, Sonic Technology and its founders confirmed that high-frequency ultrasound could be used as a behavior modification technique to repel rats and mice from an area." .
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<http://webisa.webdatacommons.org/194358128>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sonictechnology.com> .