Post common envelope binaries from the SDSS - VI. SDSS J120615.73+510047.0: a new low accretion rate magnetic binaryA. D. Schwope, A. Nebot Gomez-Moran, M. R. Schreiber and B. T. GänsickeA&A, 500 2 (2009) 867-872DOI: https://doi.org/10.1051/0004-6361/200911699