powered by
ref_period referential class to choose a period
data='data.frame'
providing correspondance between period and their English names
Objects can be created by calls of the form new('ref_period', ...).
new('ref_period', ...)
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_parquan-class, ref_stage-class, ref_taxa-class, ref_year-class
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_parquan-class
ref_stage-class
ref_taxa-class
ref_year-class