1. J. Zelená, “Development, Degeneration and Regeneration of Receptor Organs,” in Progress in Brain Research, Vol. 13 (M. Singer and J. P. Schadé, eds.), Elseiver, Amsterdam, 1964, pp. 175–213.
2. A. F. W. Hughes, Aspects of Neural Ontogeny, Logos Press, Academic, New York, 1968.
3. G. Veneroni and M. R. Murray, Formation de novo and development of neuro-muscular junctions in vitro, J. Embryol. Exptl. Morphol., 21, 369 (1969).
4. D. W. James and R. L. Tresman, An electron-microscopic study of de novo formation of neuro-muscular junctions in tissue culture, Z. Zeilforsch., 100, 126 (1969).
5. S. M. Crain, Bioelectric interactions between cultured fetal rodent spinal cord and skeletal muscle after innervation in vitro, J. Exptl. Zool., 173, 353 (1970).