Hirt, C..Anomalous atmospheric refraction and comments on "fast and accurate determination of astronomical coordinates …" (Balodimos et al. 2003, Survey Review 37,290:269-275).Survey Review.2012.44.327.01.285-289

Hirt, C.;Featherstone, W.E..A 1.5 km-resolution gravity field model of the Moon..Earth Planet Science Letters.2012.329-330.22-30

Hirt, C.;Claessens, S.J.;Kuhn, M.;Featherstone, W.E..Kilometer-resolution gravity field of Mars: MGM2011.Planetary and Space Science.2012.67.1.147–154

Hirt, C.;Kuhn, M.;Featherstone, W.E.;Göttl, F..Topographic/isostatic evaluation of newgeneration GOCE gravity field models., Journal Geophysical Research (JGR) – Solid Earth.2012.117.B05407

Hirt, C.;Claessens, S.J.;Kuhn, M.;Featherstone, W.E..Indirect evaluation of Mars Gravity Model 2011 using a replication experiment on Earth..Studia Geophysica and Geodetica.2012.56.957-975

Hirt, C.;Kuhn, M..Evaluation of high-degree series expansions of the topographic potential to higher-order powers.Journal Geophysical Research (JGR) – Solid Earth.2012.117.B12407

Featherstone, W.E.;Filmer, M.S.;Claessens, S.J.;Kuhn, M.;Hirt, C.;Kirby, J.F..Regional Geoid-based Vertical Datums - Some Australian Perspectives.Journal of Geodetic Science, Special Issue on Vertical Datum.2012.4.2.01.370-376

Hirt, C..Efficient and accurate high-degree spherical harmonic synthesis of gravity field functionals at the Earth's surface using the gradient approach..Journal of Geodesy.2012.86.9.01.729-744

Schreiber, K. U.;Klügel, T.;Wells, J.-P. R.;Holdaway, J.;Gebauer, A.;Velikoseltsev, A..Enhanced ring lasers: a new measurement tool for Earth sciences.Quantum Electronics.2012.42.11.11.1045 - 1050

Nader, M. F.;Igel, H.;Ferreira, A. M. G.;Kurrle, D.;Wassermann, J.;Schreiber, K. U..Toroidal free oscillations of the Earth observed by a ring laser system.J. Seismol.2012.05