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Bonatsos, D.; Daskaloyannis, C.; Drenska, S. B.; Lalazissis, G. A.; Minkov, N.; Raychev, P. P.; Roussev, R. P. ΔJ = 2 Staggering in Rotational Bands of Diatomic Molecules. HNPS Adv Nucl Phys 2019, 7, 38-46.