' — — REPRINT ■•¿tëJjn.SjfS EUROPEAN ATOMIC ENERGY COMMUNITY ■ EURATOM Fi-Mi', CRITICAL ANALYSIS OF THE PROGRESSIVE SUBSTITUTION METHOD FOR «Ρ§|β| m mm* ORGEL Program Joint Nuclear Research Center Ispra Establishment Italy Reactor Physics Department ' 1 m Applied Mathematical Physics Service ■ra*1 v\'íà Reprinted from the i'ÍH iti«* SKT W mmm Proceedings of the Symposium on Exponential and critical Experiments nts 'M AmsterdAmsterda . m (Netherlands) September 26, 1963 ^Hf Γ **f|p Slit »Œ Vol III 1964 lili •Su edited by áliiiii M »il ¿i!:ejrJJ 9w «Si !.M This document was prepared under the sponsorship of the Commission of the European Wf.r Atomic Energy Community (EURATOM). TRATOM Commission, its contractors nor any person acting on their behalf : Neither the EURATO Cor Make any warranty or representation, express or implied, with respect to tue ace" I \o _ Assume any liability with respect to the use of, or for damages resulting from the use of any information, apparatus, method or process disclosed in this document. if 8 7 T-t L J This reprint is intended for restricted distribution only. It reproduces by kind permission of the publisher, an article from "PROCEEDINGS OF THE SYMPOSIUM ON EXPONENTIAL AND CRITICAL EXPERIMENTS", Amsterdam (Netherlands), September 2-6, 1963, Vol. Ill - 1964, 423-442. ϋΙ·Ι Dieser Sonderdruck Ce tiré-à-part est exclusivement aesnne a une aijjuswn reswemw.