Seven-color Vilnius photometry and classification of stars in the region of the North Ecliptic PoleK. Zdanavičius, V. Straižys, J. Zdanavičius, R. Chmieliauskaitė and A. KazlauskasA&A, 544 (2012) A49DOI: https://doi.org/10.1051/0004-6361/201219351
