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2. H. Kallmann, Lecture at the Dahlem-Kolloquium (Juni 1947), reported in 1b).
3. W. Bloch, Kann man Elektronen sehen, Natur und Technik, (Juli 1947).
4. M. Deutsch, Naphthalin as Scintillator, Mass. Inst, of Technology, Inst. of Nuclear Sciences, M.I.T.-I.N.S. Rept. No.3 (Dez. 1947).
5. P. R. Bell, The Use of Anthracene as a Scintillation Counter, Phys. Rev., 73 (1948) 1405.