Class enabling to load the list of quantitative parameters and to select one of them. It inherits from 'ref_par', uses its 'choice' method
cedric.briand@eptb-vilaine.fr
Other referential objects:
charge,ref_choice-method,
ref_choice-class,
ref_coe-class,
ref_dc-class,
ref_df-class,
ref_horodate-class,
ref_list-class,
ref_par-class,
ref_parqual-class,
ref_stage-class,
ref_taxa-class,
ref_year-class