Oscillations in Functional Structural Plant Growth Models A. Mathieu, V. Letort, P.H. Cournède, B.G. Zhang, P. Heuret and P. de Reffye Math. Model. Nat. Phenom., 7 6 (2012) 47-66 Published online: 12 December 2012 DOI: 10.1051/mmnp/20127603