Boolean: "Ring Laser Gyros" AND "Earth Rotation" (98), sagnac AND "earth rotation" (664), sagnac AND IERS (58), sagnac AND (fiber OR fibre) (4,820),
Terms: earth rotation (835,000), earth rotation sensing (71), measuring earth rotation (59), earth rotation measurement (58), earth's rotation (668,000),
Terms: laser gyro (40,500), laser gyros (2,750), laser gyroscope (2,270), laser gyroscopes (1,490), rotation sensing (1,270), rotation sensors (17,400), gyro (4,060,000), gyros (2,620,000), gyroscope (1,340,000), gyroscopes (749,000),
Terms: sagnacfrequenz (2), Erdrotation (235), Drehbewegung der Erde (1), Rotationsanteile der Erde (0), sagnac effect (3,640), Grossring (128), grossring g (2),
Terms: seismic rotation (107), local displacement field (96), microseisms (2,490), solid state ring laser gyroscopes (1), solid state ring laser (113), UG-2 Ring Laser (9), polar wobble (381),
Ring Laser Project Webpage (New Zealand) - Publications
Ring-laser tests of fundamental physics and geophysics
Direct measurement of diurnal polar motion by ring laser gyros - Live Data
Terms: ring laser gyros (1,580), subdaily variations in UT1 (0), microhertz (756), nanohertz (407), micro-hertz (125), nano-hertz (56), canterbury ring (627), ring laser cii (0),
Boolean: subdaily AND UT1 (247), "sub-daily" AND UT1 (211), subdaily AND "earth rotation" (245), "sub-daily" AND "earth rotation" (206),
Precise Monitoring of the Earth Rotation by Ring Lasers - Laserkreisel - Prototypen C-II und G-0


Terms: atom interferometry (19,100), atom interferometer (2,240), sagnac matter gyroscopes (0), atomic interferometer (274), atomic interferometry (715), neutron interferometers (128), neutron interferometry (1,970), electron interferometry (400), superconducting interferometers (62),
Boolean: "electron ring" AND sagnac (5), atom AND sagnac (1,430), electron AND sagnac (2,320),
Terms: zerodur (43,400),