M. M. Shara, K. M. Lanzetta, J. T. Garland, S. Gromoll, D. Valls-Gabaud, F. M. Walter, J. Webb, D. R. Zurek, N. Brosch, and M. R. Rich. Introducing the Condor Array Telescope - III. The expansion and age of the shell of the dwarf nova Z Camelopardalis, and detection of a second, larger shell. Monthly Notices of the Royal Astronomical Society, volume 529, issue 1, pages 212-223, March 2024.