@article{Mishev:2019Xe, author = "Mishev, Aleksandar and Kovaltsov, Gennady and Usoskin, Ilya", title = "{Neutron monitor yield function at several altitudes above sea level: new improved computation}", doi = "10.22323/1.358.1125", journal = "PoS", year = 2019, volume = "ICRC2019", pages = "1125" }