1. Referans1 Iachello, F. (2000). Physical Review Letter. 85, 3580-3583.
2. Referans2 Iachello, F. (2001). Physical Review Letter. 87, 052502.
3. Referans3 Ginocchio, J. N., Kirson, M. V. (1980). Relationship Between the Bohr Collective Hamiltonian and the Interacting Boson Model, Physical Review Letter, 44, 1744-1747.
4. Referans4 Arima, A., Iachello, F.(1976).Interacting Boson Model of Collective States I. The Vibrational Limit, Annals of Physics, 99, 253-317.
5. Referans5 Ginocchio, J. N., Kirson, M. V. (1980). Relationship Between the Bohr Collective Hamiltonian and the Interacting Boson Model, Nuclear Physics A.,350, 1744-1747.