Sergei Gourevitch

Implications of "Z" Technology for Civilian Positioning

Sergei Gourevitch, 1994 .

Ashtech RTZ, Real-Time Kinematic GPS with OTF Initialization

Frank van Diggelen, Mark Kuhl, Xinhua Qin, 1995 .

Very Precise Differential GPS - Development Status and Test Results

Mark Kuhl, Xinhua Qin, Sergei Gourevitch, 1992 .

The Z-12 Performance Advantage

Sergei Gourevitch, Robert Lorenz, 1995 .