CASPERSSON TORBJORN [red.] 523,035 zob. Chromosome identification.Technique and applications in biology and medicine. Proceedings of the Twenty-Third Nobel Symposium held September 25-27, 1972 at the Royal Swedish Academy of Sciences, Stockholm. Ed. Torbjorn Caspersson and Lore Zech. Stockholm 1973 Nobel Foundation; New York, Academic. Press 8° s. 355, ilustr. Nobel Symposium 23. Medicine and Natural Sciences