loop_ _pdbx_reference_publication_list.publication_abbrev _pdbx_reference_publication_list.ASTM_code_type _pdbx_reference_publication_list.ASTM_code_value _pdbx_reference_publication_list.country _pdbx_reference_publication_list.ISSN_code_type _pdbx_reference_publication_list.ISSN_code_value _pdbx_reference_publication_list.start_year _pdbx_reference_publication_list.end_year 'acc.CHEM.RES.' ASTM ACHRE4 US ISSN 0001-4842 ? ?