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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 978
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482707/978-310-50-1

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