http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Possibilities of low-low satellite tracking for local geoid improvement
T 20.244/31 -- KRYNSKI, Jan: -- Possibilities of low-low satellite tracking -- for local geoid improvement. - Graz 1978. -- 67 S.mit 9 Fig. 4° -- (Mitteilungen d.geodät.Institute d.TU Graz. -- F.31.) -- 1978:B 2690. -- Ko.
Mitteilungen d. geodät. Institute d. TU Graz F. 31