A nonvolatile analog programmable voltage source using the VIPMOS EEPROM structure. - Gijs van Steenwijk; Klaas Hoen; Hans Wallinga (IEEE J. Solid State Circuits, 1993)

A high-speed analog neural processor. - Peter Masa; Klaas Hoen; Hans Wallinga (IEEE Micro, 1994)

Learning behavior and temporary minima of two-layer neural networks. - Anne-Johan Annema; Klaas Hoen; Hans Wallinga (Neural Networks, 1994)