Wohlbier, R. H. (1987). Bulk port development, design and operation. Trans tech.
シカゴスタイル引用形Wohlbier, Reinhard H. Bulk Port Development, Design and Operation. G D R: Trans tech, 1987.
MLA引用形式Wohlbier, Reinhard H. Bulk Port Development, Design and Operation. Trans tech, 1987.
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