TY - GEN AU - Pareto Onghena,D AU - Pavía Segura,J AU - Juvells Prades,I AU - Falcón Falcón,C AU - Ros Puig,D TI - [Determination of focal distance and convergence assessment in collimators with focalized geometry] SN - 0212-6982 PY - 2000///0328 KW - Mathematics KW - Tomography, Emission-Computed, Single-Photon KW - instrumentation N1 - Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't ER -