1. Altman, J.: Regional utilization of leucine-H3 by normal rat brain: Microdensitometric evaluation of autoradiograms. J. Histochem. Cytochem. 11, 741–750 (1963 a).
2. Altman, J.: Differences in the utilization of tritiated leucine by single neurones in normal and exercised rats: An autoradiographic investigation with microdensitometry. Nature 199, 777–780 (1963b).
3. Andresen, N., Chapman-Andresen, C., Holter, H., Robinson, C.V.: Quantitative autoradiographic studies on the amoeba chaos chaos with 14C. Compt.-rend. Lab. Carlsberg, Sér. chim. 28, 499–528 (1953).
4. Arens, H., Eggert, J., Heisenberg, H.: Zusammenhang zwischen Schwärzung, Silbermenge, Deckkraft, Kornzahl und Korndimension entwickelter photographischer Schichten. Z. wiss. Photogr. 28, 356–366 (1931).
5. Axelrod, D. J., Hamilton, J. G.: Radio-autographic studies of the distribution of lewisite and mustard gas in skin and eye tissues. Amer. J. Path. 23, 389–398 (1947).