Palm, G Former Department Structure and Function of Natural Nerve-Net , Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://link.springer.com/content/pdf/10.1007/BF00336738.pdf (Publisher version)
Palm, G. (1981). On the storage capacity of an associative memory with randomly distributed storage elements. Biological Cybernetics, 39(2), 125-127. doi:10.1007/BF00336738.