[1]
D. CHIATANTE, A. DI IORIO, G. S. SCIPPA, and B. SCHIRONE, “ROOT ARCHITECTURAL AND MORPHOLOGICAL RESPONSE OF PlNUS NIGRA ARN. AND QUERCUS ROBUR L. TO NUTRIENT SUPPLY AND ROOT DENSITY IN THE SOIL”, Ann Bot, vol. 4, pp. 159–171, May 2004.