FeI and NiI in cometary atmospheres - Connections between the NiI/FeI abundance ratio and chemical characteristics of Jupiter-family and Oort-cloud cometsD. Hutsemékers, J. Manfroid, E. Jehin, C. Opitom and Y. MoulaneA&A, 652 (2021) L1DOI: https://doi.org/10.1051/0004-6361/202141554
