Direct estimation of electron density in the Orion Bar PDR from mm-wave carbon recombination linesS. Cuadrado, P. Salas, J. R. Goicoechea, J. Cernicharo, A. G. G. M. Tielens and A. Báez-RubioA&A, 625 (2019) L3DOI: https://doi.org/10.1051/0004-6361/201935556
