Operation efficiency of WiMax and IEEE 802.11x systems in underground mine environments. - Michal Piotr Kowal; Slawomir Kubal; Piotr Michal Piotrowski; Ryszard J. Zielinski (BroadBandCom, 2009)

Accuracy of distance measurement in real time location system working in mining environment. - Piotr Michal Piotrowski; Michal Kowal; Slawomir Kubal; Ryszard J. Zielinski (BroadBandCom, 2009)