Observation of parity doublets in the cold-old nucleus 'ANTPOT.220 AC'' - Schulz, N; Vanin, Vito Roberto; Aiche, M; Briacon, C; Chevallier, A; Chevallier, J; Debray, M E; Kreiner, A J; Ruchowska, A; Sens, J C (Zeitschrift Jur Physik a, 1990)