Deka, M, Kanbur, S M, Deb, S, Das, S, Kurbah, K, Bellinger, E P & Bhardwaj, A 2022, ' Period–colour and amplitude–colour relations for OGLE-δ Scuti stars in the Galactic bulge and LMC ', Monthly Notices of the Royal Astronomical Society, vol. 517, no. 2, pp. 2251-2263 . https://doi.org/10.1093/mnras/stac2457