Anderson-Bell. (1982]). Abstat :user manual /Anderson-Bell. [S.l. :: Ashton-Tate,.
Anderson-Bell. Abstat :user manual /Anderson-Bell. [S.l. :: Ashton-Tate,, 1982]
Anderson-Bell. Abstat :user manual /Anderson-Bell. [S.l. :: Ashton-Tate,, 1982].