de la Noval-Pons, B.M., León-Díaz, O., Martínez-Gallardo, N.A., Pérez-Ortega, E. and Délano-Frier, J.P. 2018. Pattern of β-1, 3-glucanase and chitinase activity in the AMF - systemin interaction in tomato. I. Presymbiotic phase. Cultivos Tropicales. 38, 4 (Jan. 2018), 84–91.