Atkočiūnienė, Zenona, and Romualdas Broniukaitis. “Complex Scientific and Technical Programs and Information Requirements”. Knygotyra 22, no. 15-2 (December 28, 1988): 33–38. Accessed April 30, 2026. https://www.journals.vu.lt/knygotyra/article/view/36559.