Heikki Paivike

SIXA: Silicon X-Ray Array

Rashid Sunyaev, J. Huovelin, Heikki Sipila, 1994, Optics & Photonics.

Method and apparatus for allowing a mobile station to adapt its revision level based on the revision level of the network protocol

Mikko Korpela, Antti O. Kangas, Heikki Paivike, 2003 .