2
   18    4    1  7.5070e-10   0.75150 2.7430e+00 2.3720e+05   0.37790  1.0180e+06
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%file:  ar_4.rrparams
%radiative recombination parameters
Aldrovandi & Pequignot, 1974, Revista Brasileira de Fisica, 4, 491
 produced for the CHIANTI atomic database for astrophysical spectroscopy
 created by Peter Young (RAL) and Ken Dere (GMU):  Tue Feb  5 12:32:04 2008
-1