This workshop held in Valencia, following the earlier meetings organized at UIMP in 1991 and 1993 was open to all who wished to attend and addressed the basic i

"These proceedings contain the lecture notes of the topics covered during the Summer School as well as the contributions from the Workshop. The first week saw d

The investigation of hadronic and nuclear probes with protons and electrons in the energy range of a few GeV is of great importance for the understanding of the