15 colour photometry of the Landolt SA95 standard star fieldXu Zhou, Zhaoji Jiang, Jun Ma, Suijian Xue, Hong Wu, Jiansheng Chen, Jin Zhu, Weihsin Sun and R. A. WindhorstA&A, 397 1 (2003) 361-369DOI: https://doi.org/10.1051/0004-6361:20021467