Integration of Ground-Penetrating Radar and Laser Position Sensors for Real-Time 3-D Data Fusion. - Mark Grasmueck; David A. Viggiano (IEEE Trans. Geosci. Remote. Sens., 2007)

CCD camera and IGPS tracking of geophysical sensors for visualization of buried explosive devices. - Motoyuki Sato; Ahmed Gaber; Yuya Yokota; Mark Grasmueck; Pierpaolo Marchesini (IPIN, 2010)

Estimation of biomass of tree roots by GPR with high accuracy positioning system. - Yuya Yokota; Masayoshi Matsumoto; Ahmed Gaber; Mark Grasmueck; Motoyuki Sato (IGARSS, 2011)