*Books [#ic80cacf] **Title : The atomic nucleis as a relativistic system [#o4800475] -Author : L.N. Savushkin and H. Toki -publisher : Springer 2003 **Title : Quarks, baryons and chiral symmetry [#a116e1cb] -Author : Atsushi Hosaka and Hiroshi Toki -publisher : World Scientific, 2001