Probabilistic Neural Networks with Rotated Kernel Functions. - Ingo Galleske; Juan Castellanos (ICANN, 1997)

Optimization of the Kernel Functions in a Probabilistic Neural Network Analyzing the Local Pattern Distribution. - Ingo Galleske; Juan Castellanos (Neural Comput., 2002)

A Rotated Kernel Probabilistic Neural Network (RKPNN) for Multi-class Classification. - Ingo Galleske; Juan Castellanos (IWANN (1), 2003)