Sorting cropping systems on the basis of their impact on groundwater quality. - Cécile Arondel; Philippe Girardin (Eur. J. Oper. Res., 2000)

Fuzzy Logic Approach to Represent and Propagate Imprecision in Agri-Environmental Indicator Assessment. - Zainab Assaghir; Philippe Girardin; Amedeo Napoli (IFSA/EUSFLAT Conf., 2009)