data_2013151 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2003 _journal_volume 59 _journal_page_first o105 _journal_page_last o106 _publ_section_title ; Bis(2-aminopyridinium) maleate ; loop_ _publ_author_name 'B\"uy\"ukg\"ung\"or, Orhan' 'Odaba\;so\