Verschoof, I. J. (2002). Cranes: Design, practice, and maintenance (2nd ed.). London: Professional engineering Publishing Limited.
Παραπομπή Chicago StyleVerschoof, Ing. J. Cranes: Design, Practice, and Maintenance. 2nd ed. London: Professional engineering Publishing Limited, 2002.
Παραπομπή MLAVerschoof, Ing. J. Cranes: Design, Practice, and Maintenance. 2nd ed. London: Professional engineering Publishing Limited, 2002.
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