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Lua i Stíl Chicago (17ú heag.)OPERATION AND MAINTENANCE.., Leif J. [ed] VINCENTSEN, agus Jens Sandager [ed] JENSEN. Operation and Maintenance of Large Infrastructure Pro-jects/editor Leif J. Vincentsen; Jens Sandager Jensen. Rotterdam: A.A. Balkema, 1998.
Lua MLA (9ú heag.)OPERATION AND MAINTENANCE.., et al. Operation and Maintenance of Large Infrastructure Pro-jects/editor Leif J. Vincentsen; Jens Sandager Jensen. A.A. Balkema, 1998.
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