TY - BOOK AU - Grant,D.B. AU - Rozos,C. TI - Contributions to GPS studies T2 - UNISURV report SN - 0858390566 PY - 1990///] CY - Kensington, N.S.W., Australia PB - School of Surveying, University of New South Wales KW - Global Positioning System KW - Artificial satellites in navigation N1 - "Received: August, 1990." ER -