Binary star speckle measurements at Calar Alto. I.J. A. Docobo, V. S. Tamazian, Yu. Yu. Balega, J. Blanco, A. F. Maximov and V. A. VasyukA&A, 366 3 (2001) 868-872DOI: https://doi.org/10.1051/0004-6361:20000298
