@inproceedings {MCM-JJCC-01, title = {Web Based Versus Mobile Agent Based Software Retrieval Systems: Performance Comparison}, year = {2001}, month = {6}, pages = {299-312}, publisher = {Universitat Ramon Llull}, organization = {Universitat Ramon Llull}, author = {Jos{\'e} Merseguer and J. Campos and E. Mena} }