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APA Citation
Paunzen, E., Handler, G., Walczak, P., Hümmerich, S., Niemczura, E., Kallinger, T., Weiss, W., Bernhard, K., Fedurco, M., Gütl-Wallner, A., Matthews, J., Pribulla, T., Vaňko, M., Wallner, S., & Różański, T. (2019). a revisit to the enigmatic variable star 21 Comae. Monthly notices of the Royal Astronomical Society, 485(3), 4247–4259. http://access.bl.uk/ark:/81055/vdc_100094074479.0x00004f