2018 http://localhost:8080/xmlui/handle/123456789/1562 Fri, 10 Apr 2026 21:09:21 GMT 2026-04-10T21:09:21Z Power system operation and control http://localhost:8080/xmlui/handle/123456789/1563 Power system operation and control Sat, 01 Dec 2018 00:00:00 GMT http://localhost:8080/xmlui/handle/123456789/1563 2018-12-01T00:00:00Z