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No.Ref: YY005691 ISSN: PN49.V45 1990
No.Ref: SG131633 ISSN:
NO. REF.: H.F.TAN.623 LCCN: 2001007330
No.Ref: LI030870 ISSN: 00-009617
No.Ref: YY005692 ISSN: NX180.S6V4 1991
No.Ref: YY013436 ISSN: BR115.C8V37