On the nature of two low- X-ray bursters: 1RXS J170854.4–321857 and 1RXS J171824.2–402934J. J. M. in 't Zand, R. Cornelisse and M. MéndezA&A, 440 1 (2005) 287-293DOI: https://doi.org/10.1051/0004-6361:20052955