Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS - I. The method and minor axis mapsO. A. Gonzalez, M. Rejkuba, M. Zoccali, E. Valenti and D. MinnitiA&A, 534 (2011) A3DOI: https://doi.org/10.1051/0004-6361/201117601
