SHELL MODELS MODELOS DE CAPAS 11 FUNCIONES DE ONDA 5 WAVE FUNCTIONS 5 ENERGY LEVELS 2 ESTADOS FUNDAMENTALES 2 FUNCION DE GREEN 2 GREEN FUNCTION 2 GROUND STATES 2 PARTICULAS 2 A graphical procedure to evaluate the many-body shell-model equations 1 A study of the 26Mg(12C, 12B)26Al charge-exchange reaction 1 APROXIMACION POR ESCALONES 1 Appilcation of the green function method to the nuclei Zr 90 and Kr 86 1 BETA RATIO 1 CLUSTERS 1 COBRE 60 1 CROSS SECTIONS 1 Cluster of nucleons as elementary modes of excitation in nuclei 1 DISTIBUCION ANGULAR 1 ELECTROMAGNETIC TRANSITIONS 1 ELEMENTOS DE MATRIZ 1 ESPACIO DE HILBERT 1 EXCITON MODEL 1 FERMIONES 1 FERMIONS 1 FIELD THEORIES 1 Graphical multistep shell-model calculation of the even tin and lead ground states 1 HEAVY IONS 1 HELIO 3 1