In-medium and isospin effects on eta production in heavy-ion collisions near threshold energiesJie Chen, Zhao-Qing Feng, Peng-Hui Chen, Fei Niu, Ya-Fei Guo and Jian-Song WangEur. Phys. J. A, 53 6 (2017) 128DOI: https://doi.org/10.1140/epja/i2017-12325-3