A method for tuning parameters of Monte Carlo generators and its application to the determination of the unintegrated gluon densityAlessandro Bacchetta, Hannes Jung, Albert Knutsson, Krzysztof Kutak and Federico Samson-HimmelstjernaEur. Phys. J. C, 70 1-2 (2010) 503-511DOI: https://doi.org/10.1140/epjc/s10052-010-1464-6