Roots of backpropagation - from originator of neural network backprop learning alogorithmhttp://books.google.com/books?hl=en&id=WdR3OOM2gBwC&dq=werbos+backpropagation&printsec=frontcover&source=web&ots=M2iF_ZMXY0&sig=Vc8zRFfJdXT4KRYloGICM3dggp0&sa=X&oi=book_result&resnum=2&ct=result#PPA27,M1 by aswanson • 18 years ago 2 0 18 years agoBObooks.google.com