Wohlbier, R. H. (1986). Continuous ship unloading and self - unloading and vessels. Trans tech.
Παραπομπή Chicago StyleWohlbier, Reinhard H. Continuous Ship Unloading and Self - Unloading and Vessels. Germany: Trans tech, 1986.
Παραπομπή MLAWohlbier, Reinhard H. Continuous Ship Unloading and Self - Unloading and Vessels. Trans tech, 1986.
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