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Citation: J. Kaluzny et al., Image-subtraction photometry of variable stars in the field of the globular cluster NGC 6934, ASTRONOM J, 121(3), 2001, pp. 1533-1550

Authors: Kaluzny, J Olech, A Thompson, I Pych, W Krzeminski, W Schwarzenberg-Czerny, A

Citation: J. Kaluzny et al., RR Lyrae variables in the globular cluster M 5, ASTR AST SS, 143(2), 2000, pp. 215-226

Authors: Olech, A Gajos, M Jurek, M

Citation: A. Olech et al., Alpha Cygnids - a possible July minor meteor shower, ASTR AST SS, 135(2), 1999, pp. 291-297

Authors: Olech, A Wozniak, PR Alard, C Kaluzny, J Thompson, IB

Citation: A. Olech et al., Variable stars in the globular cluster M5: application of the image subtraction method, M NOT R AST, 310(3), 1999, pp. 759-764

Authors: Olech, A Kaluzny, J Thompson, IB Pych, W Krzeminski, W Shwarzenberg-Czerny, A

Citation: A. Olech et al., RR Lyrae variables in the globular cluster M55. The first evidence for nonradial pulsations in RR Lyrae stars, ASTRONOM J, 118(1), 1999, pp. 442-452