DISPERSION RELATIONS 2 FIELD THEORIES 2 NUCLEAR POTENTIAL 2 NUCLEAR POTENTIALS 2 POTENCIALES NUCLEARES 2 RELACIONES DE DISPERSION 2 TEORIAS CAMPO 2 BISMUTH 209 REACTIONS 1 COBALT 59 REACTIONS 1 Definition of Nuclear Potentials from Double Dispersion Relations in Field Theory and Potential Scattering 1 IONIZATION POTENTIAL 1 ISOSPIN 1 Isospin dependence of the nuclear optical potential 1 MODELOS OPTICOS 1 NUCLEON-NUCLEON POTENTIAL 1 OPTICAL MODELS 1 On the Construction of Low-Energy Nuclear Potentials 1 POTENCIAL DE IONIZACION 1 POTENCIAL DE POZO CUADRADO 1 POTENCIAL NUCLEAR 1 POTENCIAL NUCLEON-NUCLEON 1 PROTONES 1 SQUARE-WELL POTENTIAL 1 Un modelo de potencial nuclear 1 YUKAWA POTENTIAL 1