public function importCitations($oldArticleId, $article)
    {
        $this->consoleOutput->writeln("Reading citations...");

        $citationSql = "SELECT * FROM citations WHERE assoc_id = :id";
        $citationStatement = $this->dbalConnection->prepare($citationSql);
        $citationStatement->bindValue('id', $oldArticleId);
        $citationStatement->execute();

        $orderCounter = 0;
        $citations = $citationStatement->fetchAll();
        foreach ($citations as $pkpCitation) {
            $citation = new Citation();
            $citation->setRaw(!empty($pkpCitation['raw_citation']) ? $pkpCitation['raw_citation'] : '-');
            $citation->setOrderNum(!empty($pkpCitation['seq']) ? $pkpCitation['seq'] : $orderCounter);
            $article->addCitation($citation);

            $orderCounter++;
        }
    }