<http://webisa.webdatacommons.org/267505552>	<http://www.w3.org/ns/prov#value>	"According to the first international conference on ball lightning, held in 1989 at Waseda University in Tokyo, Japan, Ball lightning is a new and unfamiliar form of stable plasma or ionized gas. (Science and Technology, Bulgaria[2])" .
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<http://webisa.webdatacommons.org/267505552>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<peswiki.com> .
<http://webisa.webdatacommons.org/prov/260128268>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/267505552> .