Series resistance modelling of industrial screen-printed monocrystalline silicon solar cells and modules including the effect of spot soldering - Caballero, L J; Sanchez-Friera, P; Lalaguna, B; Alonso, J; Vazquez, M A (Conference Record Of The 2006 Ieee 4th World Conference On Photovoltaic Energy Conversion, Vols 1 And 2, 2006)