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addition of three angular momenta


I am trying to use ClebschGordan[...] to generate the table of  
coefficients for the addition of three or more angular momenta.
For the addition of two angular momenta J=J1+J2 I can do

Table[ClebschGordan[{J1, m1}, {J2, m2}, {J, m}], {J, J1 + J2, Abs[J1 -  
J2], -1}, {m, J, -J, -1}, {m1, J1, -J1, -1}, {m2, J2, -J2, -1}]

For more than two angular momenta, J=J1+J2+J3 I should first add J1 and  
J2, and then, for any Jtemp=J1+J2,J1+J2-1,...,Abs[J1-J2] add Jtemp and J3  
and so on.
Any help would be greatly appreciated.
-Francesco


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