@article {koiwai2022first,
	title = {A first glimpse at the shell structure beyond</SUP> 54<//SUP> Ca: Spectroscopy of</SUP> 55<//SUP> K,</SUP> 55<//SUP> Ca, and</SUP> 57<//SUP> Ca},
	journal = {Physics Letters B},
	volume = {827},
	year = {2022},
	publisher = {Elsevier},
	author = {Koiwai, T and K. Wimmer and Doornenbal, P and Obertelli, A and Barbieri, C and Duguet, T and Holt, JD and Miyagi, T and Navratil, P and Ogata, K and others}
}
