volume 25 issue 4 (december 2002) :
VARIABILITY IN MINERAL PROFILE IN SEVEN VARIETIES OF BEAN (PHASEOLUS VULGARIS L.) ADAPTED IN NORTH EAST OF MEXICO
1Postgraduate Division, Facultad de Ciencias Biologicas, University Autonoma de Nuevo Leon, Ciudad Universitaria, Apartado Postal F -16, C.P. 66450, N.L. Mexico