TY  - RPRT
TI  - Worldwide differential GPS for Space Shuttle landing operations
AU  - Loomis, Peter V. W.
AU  - Denaro, Robert P.
AU  - Saunders, Penny
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19910049039
ID  - 19910049039
ER  -