{% spaceless %}<journal>{% endspaceless %}
            <journal_metadata>
                <full_title>{{ crossref_issue.journal.title }}</full_title>
                <abbrev_title>{{ crossref_issue.journal.code }}</abbrev_title>
                {% if crossref_issue.journal.print_issn and crossref_issue.journal.print_issn != '0000-0000' %}
                <issn media_type="print">{{ crossref_issue.journal.print_issn }}</issn>
                {% endif %}
                {% if crossref_issue.journal.journal_issn and crossref_issue.journal.journal_issn != '0000-0000' %}
                <issn media_type="electronic">{{ crossref_issue.journal.journal_issn }}</issn>
                {% endif %}
                {% if crossref_issue.journal.doi %}
                <doi_data>
                    <doi>{{ crossref_issue.journal.doi }}</doi>
                    <resource>{{ crossref_issue.journal.url }}</resource>
                </doi_data>
                {% endif %}
            </journal_metadata>

            {% if crossref_issue.issue and crossref_issue.issue.date %}
            <journal_issue>
                <publication_date media_type="online">
                    <month>{{ crossref_issue.issue.date.month }}</month>
                    <day>{{ crossref_issue.issue.date.day }}</day>
                    <year>{{ crossref_issue.issue.date.year }}</year>
                </publication_date>

                {% if crossref_issue.issue.volume %}
                <journal_volume>
                    <volume>{{ crossref_issue.issue.volume }}</volume>
                </journal_volume>
                {% endif %}

                {% if crossref_issue.issue.issue %}
                <issue>{{ crossref_issue.issue.issue }}</issue>
                {% endif %}

                {% if crossref_issue.issue.doi %}
                <doi_data>
                    <doi>{{ crossref_issue.issue.doi }}</doi>
                    <resource>{{ crossref_issue.issue.url }}</resource>
                </doi_data>
                {% endif %}
            </journal_issue>
            {% endif %}


            {% for article in crossref_issue.articles %}
                {% include "common/identifiers/crossref_article.xml" with article=article %}
            {% endfor %}
        </journal>