Using SPOT data for calibrating a wheat growth model under mediterranean conditions Jan G.P.W. Clevers, Oscar W. Vonder, Raymond E.E. Jongschaap, Jean-François Desprats, Christine King, Laurent Prévot and Nadine Bruguier Agronomie, 22 6 (2002) 687-694 DOI: 10.1051/agro:2002038