Richard A. Armstrong
Also publishes as (Richard Armstrong, R.A. Armstrong)
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Roberts, E.M., Stevens, N.J., O'Connor, P.M., Dirks, P.H.G.M., Gottfried, M.D., Clyde, W.C., Armstrong, R.A., Kemp, A.I.S., and Hemming, S. (2012) Initiation of the western branch of the East African Rift coeval with the eastern branch. Nature Geoscience, 5 (4). pp. 289-294.
Beavan, Nancy, Halcrow, Sian, McFadgen, Bruce, Hamilton, Derek, Buckley, Brendan, Sokha, Tep, Shewan, Louise, Sokha, Ouk, Fallon, Stewart, Miksic, John, Armstrong, Richard, O'Reilly, Dougald, Domett, Kate, and Chhem, K.R. (2012) Radiocarbon dates from jar and coffin burials of the Cardamom Mountains reveal a previously unrecorded mortuary ritual in Cambodia's late- to post-Angkor period (15th–17th centuries AD). Radiocarbon, 54 (1). pp. 1-22.
Roberts, Eric M., O'Connor, Patrick M., Stevens, Nancy J., Gottfried, Michael D., Jinnah, Zubair A., Ngasala, Sifael, Choh, Adeline M., and Armstrong, Richard A. (2010) Sedimentology and depositional environments of the Red Sandstone Group, Rukwa Rift Basin, southwestern Tanzania: new insight into Cretaceous and Paleogene terrestrial ecosystems and tectonics in sub-equatorial Africa. Journal of African Earth Sciences, 57 (3). pp. 179-212.