中国海事Issue(1)：18-19,2.DOI:10.16831/j.cnki.issn1673-2278.2017.01.009
提升助航水平照亮蓝色海疆
——秦皇岛航标处"三化"建设初见成效
Promote the standard of aids to navigation,light up the blue territory
-Primary Achievements Made in the Three Orientations Development of Qinghuangdao AtoN Station
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黄凤飞..提升助航水平照亮蓝色海疆
——秦皇岛航标处"三化"建设初见成效[J].中国海事,2017,(1):18-19,2.
