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<xml><bibliography><APA>J. B. Burland และผู้แต่งคนอื่นๆ. (2015) HISTORIC NOTE: Underexcavating the Tower of Pisa: Back to Future. &lt;i&gt;The Geotechnical Engineering Journal of the SEAGS &amp; AGSSEA&lt;/i&gt;, &lt;i&gt;46&lt;/i&gt;(4), 126-135.</APA><Chicago>J. B. Burland และผู้แต่งคนอื่นๆ. "HISTORIC NOTE: Underexcavating the Tower of Pisa: Back to Future". The Geotechnical Engineering Journal of the SEAGS &amp; AGSSEA  46 (2015):126-135.</Chicago><MLA>J. B. Burland และผู้แต่งคนอื่นๆ. HISTORIC NOTE: Underexcavating the Tower of Pisa: Back to Future. Southeast Asian Geotechnical Society:ม.ป.ท. 2015.</MLA></bibliography></xml>
