Ajana, H., A. El Antari, and A. Hafidi. “Evolution of biométrie Parameters and Chemical Composition of Olives from the Moroccan Picholine Variety During Fruit Ripeness”. Grasas Y Aceites, vol. 50, no. 1, Feb. 1999, pp. 1-6, doi:10.3989/gya.1999.v50.i1.628.