1. Fort, E.: Proc. of Second Conf. on Nucl. Data for Reactors, Helsinki 1970, paper CN 26/72
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4. Poenitz, W.P.: Nucl. Instr. and Meth.58, 39 (1968)
5. Poenitz, W.P.: Argonne National Laboratory, ANL-7915 (1972)