21cm observations of 452 galaxies (Theureau+, 2007)
21cm radio continuum survey. I. (Reich+ 1990)
21Ne versus 10Be and 26Al exposure ages of fluvial terraces: the influence of crustal Ne in quartz
22 views of the global albedo-comparison between 20 GCMs and two satellites
22-cm radio survey of A3528 (Venturi+, 2001)
22-Step Collisions for SHA-2
22-year variations of the diurnal anisotropy of cosmic rays
2252-36 SN 1993L in IC 5270
226 Ra- 230 Th disequilibrium in axial and off-axis mid-ocean ridge basalts
226Ra in marine barite: new constraints on supported 226Ra
226Ra in the Pacific Ocean
226Ra-230Th evidence for multiple dehydration events, rapid melt ascent and the time scales of differentiation beneath the Tonga-Kermadec island arc
226Ra-230Th-238U disequilibria of historical Kilauea lavas (1790-1982) and the dynamics of mantle melting within the Hawaiian plume
228Ra in the Dead Sea
228Ra/226Ra and 226Ra/Ba ratios to track barite formation and transport in the water column
22Ne-E(L) Measured in Individual KFC1 Graphite Grains from the Murchison Meteorite
230 and 492 GHz low noise sis waveguide receivers employing tuned Nb/AlOx/Nb tunnel junctions
231Pa / 230Th fractionation by ocean transport, biogenic particle flux and particle type
231Pa and 230Th chronology of mid-ocean ridge basalts
234 U / 238 U and 230 Th / 234 U activity ratios in the colloidal phases of aquifers in lateritic weathered zones