Battlestar Wiki, An encyclopedia of the Battlestar Galactica sagas. — 3,273 articles in English — Warning: Spoilers are to be expected. See our Spoiler Policy for details. Ridiculously detailed and thorough!
J. Werfel, X. Xie, и H. Seung. In, MIT Press, (2003)Discussion of learning curves for stochastic gradient descent.
Besides gradient based approaches, the paper shortly describes (with additional references) weight perturbation and node perturbation approaches..