<?xml version="1.0" encoding="UTF-8" ?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-10-01T20:49:41Z</responseDate><request metadataPrefix="oai_dc" verb="GetRecord" identifier="oai:10442/1038">https://phdtheses.ekt.gr/eadd_oai/request</request><GetRecord><record><header><identifier>oai:10442/1038</identifier><datestamp>2024-07-10T19:37:39Z</datestamp><setSpec>hdl_10442_2</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:title xmlns:lang="el">ΔΕΣΜΕΣ ΣΗΜΕΙΟΚΩΝΙΚΩΝ</dc:title><dc:title xmlns:lang="en">PENCILS OF POINT CONICS</dc:title><dc:creator xmlns:lang="el">Σωφρονίδης,  Ευστάθιος</dc:creator><dc:date>1985</dc:date><dc:language>gre</dc:language><dc:publisher xmlns:lang="en">Democritus University of Thrace (DUTH)</dc:publisher><dc:publisher xmlns:lang="el">Δημοκρίτειο Πανεπιστήμιο Θράκης (ΔΠΘ)</dc:publisher><dc:subject xmlns:lang="el">Επιστήμες Μηχανικού και Τεχνολογία</dc:subject><dc:subject xmlns:lang="el">Επιστήμη Πολιτικού Μηχανικού</dc:subject><dc:subject xmlns:lang="en">Engineering and Technology</dc:subject><dc:subject xmlns:lang="en">Civil Engineering</dc:subject><dc:identifier>10.12681/eadd/1038</dc:identifier><dc:identifier>http://hdl.handle.net/10442/hedi/1038</dc:identifier><dc:type>PhD Thesis</dc:type></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>