5 Iachello, F. Emling, Hans BUD Interacting Bosons in Nuclear Physics / Iachello, F. (Editor) ; Boston, MA : Springer US, 1979, Chapter 7 ; ISBN: 978-1-4684-3523-8 ; doi:10.1007/978-1-4684-3521-4 Springer US Boston, MA 978-1-4684-3523-8 10.1007/978-1-4684-3521-4_7 English 75 - 77 ; English ; Interacting Bosons in Nuclear Physics / Iachello, F. (Editor) ; Boston, MA : Springer US, 1979, Chapter 7 ; ISBN: 978-1-4684-3523-8 ; doi:10.1007/978-1-4684-3521-4 ; 7, ; PUB:(DE-HGF)7, ; Contribution to a book 1979 GSI-2016-01975 1979 https://repository.gsi.de/record/196144 https://doi.org/10.1007/978-1-4684-3521-4_7