Doubly differential cross sections for ionization of lithium atom by protons and O8+ ionsAndrey I. Bondarev, Yury S. Kozhedub, Ilya I. Tupitsyn, Vladimir M. Shabaev and Günter PlunienEur. Phys. J. D, 73 3 (2019) 46DOI: https://doi.org/10.1140/epjd/e2019-90635-9