TY - JOUR T1 - Optical spectroscopy of Arp220: The star formation history of the closest ULIRG JO - Monthly Notices of the Royal Astronomical Society PY - 2008/07/24 AU - Rodríguez Zaurín J AU - Tadhunter CN AU - González Delgado RM ED - DO - DOI: 10.1111/j.1365-2966.2007.12658.x VL - 384 IS - 3 SP - 875 EP - 885 Y2 - 2025/11/19 ER -