英语翻译
Acknowledgements
The authors thank the Spanish Government (Ministerio de Ciencia y Tecnologia,INIA CAL01-53)and the Local Government of La Rioja (Consejeria de Educacion,Cultura y Deporte,ACPI2002/07) for their financial support,as well as Professor Michele Forina for providing us with the last version of the Parvus package.