20-Ca  basic  n-XS summary  XS graphs

20-calcium Ca-nat. T=300 K from ENDF/B-6.0 mat2000 20-CA- 0 ORNL EVAL-AUG71 C.Y.FU AND D.M.HETRICK 20-CA- 0 NEA RCOM-JUN82 SCIENTIFIC CO-ORDINATION GROUP