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Large wind ripples on Mars: A record of atmospheric evolution.
Lapotre MG, Ewing RC, Lamb MP, Fischer WW, Grotzinger JP, Rubin DM, Lewis KW, Ballard MJ, Day M, Gupta S, Banham SG, Bridges NT, Des Marais DJ, Fraeman AA, Grant JA, Herkenhoff KE, Ming DW, Mischna MA, Rice MS, Sumner DY, Vasavada AR, Yingst RA. Lapotre MG, et al. Among authors: ballard mj. Science. 2016 Jul 1;353(6294):55-8. doi: 10.1126/science.aaf3206. Science. 2016. PMID: 27365444 Free article.
Equal to the task.
BALLARD MJ. BALLARD MJ. Hospitals. 1955 Feb;29(2):120-4. Hospitals. 1955. PMID: 13232671 No abstract available.