“…Since the initial discovery of a SD rotational band in 191 Hg [1], more than forty bands have been observed for isotopes of Au, Hg, Tl and Pb (see refs. [2,3,4,5,6,7,8,9,10,11,12] and the earlier papers cited in the compilation of experimental data [13]). The anchor point of the region appears to be the nucleus 192 Hg which corresponds to the SD magic numbers: Z=80 and N=112.…”