Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLong alternating codes: 1. Search by playing dominoes.AuthorsNygrén, Tuomo; Markkanen, MarkkuPublicationRadio Science, 1997, Vol 32, Issue 1, p1ISSN0048-6604Publication typeArticleDOI10.1029/96RS03118