@misc{ratto_sensitivity_analysis_2001, 
author={Ratto, M., Tarantola, S., Callies, U.},
title={Sensitivity analysis in model calibration: A case study in environmental modelling},
year={2001},
howpublished = {conference paper: Madrid (E);},
note = {Ratto, M.; Tarantola, S.; Callies, U.: Sensitivity analysis in model calibration: A case study in environmental modelling. In: Prado, P.; Bolado, R. (Ed.): SAMO 2001, Third International Synposium on Sensitivity Analysis of  Model Output. Madrid (E). 2001. 149-153.}}