Impact of metallicity and star formation rate on the time-dependent, galaxy-wide stellar initial mass functionT. Jeřábková, A. Hasani Zonoozi, P. Kroupa, G. Beccari, Z. Yan, A. Vazdekis and Z.-Y. ZhangA&A, 620 (2018) A39DOI: https://doi.org/10.1051/0004-6361/201833055