1. Bohr, A.: The coupling of nuclear surface oscillations to the motion of individual nucleons. Mat Fys. Medd. Dan. Vid. Selsk. 26 (14) (1952)
2. Bohr, A., Mottelson, B.: Collective and individual-particle aspects of nuclear structure. Mat. Fys. Medd. Dan. Vid. Selsk. 27 (16) (1953)
3. Bohr, A., Mottelson, B.R.: Nuclear Structure, vol. 2. W.A. Bejamin Inc., Amsterdam (1970)
4. Eisenberg, J.M., Greiner, W.: Nuclear Theory. Third edition, North-Holland, Vol. 1, (1987)
5. Moshinsky, M., Smirnov, Y.F.: The Harmonic Oscillator in Modern Physics. Harwood Academic Publishers GmbH, Netherlands (1996)