Excited collective states of nuclei within Bohr Hamiltonian with Tietz-Hua potential M. Chabab, A. El Batoul, M. Hamzavi, A. Lahbas and M. Oulne Eur. Phys. J. A, 53 7 (2017) 157 Published online: 27 July 2017 DOI: 10.1140/epja/i2017-12343-1