"owen, k. "
data independence and data flow systems: / k. owen - 1 ed. - uk : ncc 1983. - "i, 16p.; 30 cm."
0 8502 480 5
--
001. 642 0we
data independence and data flow systems: / k. owen - 1 ed. - uk : ncc 1983. - "i, 16p.; 30 cm."
0 8502 480 5
--
001. 642 0we