L. R. Kruczynski

Aircraft Navigation with the Limited Operational Phase of the NAVSTAR Global Positioning System

L. R. Kruczynski, 1977 .

Global Positioning System Differential Navigation Tests at the Yuma Proving Ground

L. R. Kruczynski, W. W. Porter, D. G. Abby, 1985 .

Forestry management applications: Forest Service experiences with GPS

L. R. Kruczynski, A. Jasumback, 1993 .