Class enabling to load the list of quantitative parameters and to select one of them. It inherits from 'ref_par', uses its 'choice' method
Other referential.objects: charge,ref_choice-method
,
ref_checkbox-class
,
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_period-class
,
ref_stage-class
,
ref_taxa-class
,
ref_year-class