XMM-Newton X-ray spectroscopy of the high-mass X-ray binary 4U 1700-37 at low fluxA. van der Meer, L. Kaper, T. Di Salvo, M. Méndez, M. van der Klis, P. Barr and N. R. TramsA&A, 432 3 (2005) 999-1012DOI: https://doi.org/10.1051/0004-6361:20041288