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+This is a wrapper for Ptolemy DWBA calcalation using GUI from CERN ROOT. 
+
+The Ptolemy reference is M. H. Macfarlane and S. C. Pieper, ANL-76-11 Rev. 1, Argonne National Laboratory, 1978.
+
+Usage:
+
+in the working directory, run PtolemyGUI
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