def publication_to_md(publication: dict) -> str:
    """
    This function outputs a Markdown string for a publication
    ({"title": ..., "author": ..., "title": ...})
    """
    title = publication["title"]
    year = publication["year"]
    authors = publication["authors"]
    md = f"- **{title}** ({year})\n"
    md += f"  - {authors}\n"
    return md