Peña, J. H. (2019). Some remarks on the open cluster upgren 1 using uvby − β photoelectric photometry. Universidad Nacional Autónoma de México.
Chicago Style (17th ed.) CitationPeña, J. H. Some Remarks on the Open Cluster Upgren 1 Using Uvby − β Photoelectric Photometry. Universidad Nacional Autónoma de México, 2019.
MLA (9th ed.) CitationPeña, J. H. Some Remarks on the Open Cluster Upgren 1 Using Uvby − β Photoelectric Photometry. Universidad Nacional Autónoma de México, 2019.
Warning: These citations may not always be 100% accurate.