Srama, R., Krüger, H., Yamaguchi, T., Stephan, T., Burchell, M., Kearsley, A. T., et al. (2012). SARIM PLUS - Sample Return of Comet 67P/CG and of Interstellar Matter. Experimental Astronomy, 33, 723-751. doi:10.1007/s10686-011-9285-7.