Intense C III] λλ1907,1909 emission from a strong Lyman continuum emitting galaxy D. Schaerer, Y. I. Izotov, K. Nakajima, G. Worseck, J. Chisholm, A. Verhamme, T. X. Thuan and S. de Barros A&A, 616 (2018) L14 Published online: 24 August 2018 DOI: 10.1051/0004-6361/201833823