ACKNOWLEDGMENTS The author gratefully acknowledges the grant sup- port and Career Investigator Award of the Medical Research Council of Canada, the Virage Centre of Excellence in Biotechnology from the Quebec Minister of Education and Science, the grant support of the BayerCanadian Blood Agency HemaQuebec Research and Developmental Funds, and the dEquipe Group support deduuction the Quebec Ministry of Healths Hemavigillance Program administered by FRSQ. (1990) Harshman et al. Feistel "Physik der Evolutionsprozesse" Akademia, Berlin 1990 (in German)  H.
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