South East Pacific atmospheric composition and variability sampled along 20° S during VOCALS-REx. - Allen, G.; Coe, H.; Clarke, A.; Bretherton, C.; Wood, R.; Abel, S. J.; Barrett, P.; Brown, P.; George, R.; Freitag, S.; McNaughton, C.; Howell, S.; et al. (Atmospheric Chemistry & Physics, 2011)