"chartrand, robert lee . "
computers in the service of society: / robert lee.. chartrand - 1 ed. - usa : pergamon 1972. - "xv, 192p.; 24 cm."
08 016332 7
--
001. 6 cha
computers in the service of society: / robert lee.. chartrand - 1 ed. - usa : pergamon 1972. - "xv, 192p.; 24 cm."
08 016332 7
--
001. 6 cha