2007

Hopley, Philip and Marshall, J.D. and Weedon, G.P. and Latham, A.G. and Herries, A.I.R. and Kuykendall, K.L. (2007) Orbital forcing and the spread of C4 grasses in the late Neogene: stable isotope evidence from South African speleothems. Journal of Human Evolution 53 (5), pp. 620-634. ISSN 0047-2484.