<http://webisa.webdatacommons.org/438474756>	<http://www.w3.org/ns/prov#value>	"In the past, cathode swelling was a big problem." .
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<http://webisa.webdatacommons.org/438474756>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<genisim.com> .