%0 Book %T Proceedings of the 3rd Italian-Polish conference on applications of systems theory to economy, management and technology: Białowieża, Poland, May 26-31, 1976 * Technological management and information systems * Operative control of nitrogen fertilizers production %A Inkielman, Michał (1937– ) %A Pietkiewicz-Sałdan, Hanna %A Wiśniewski, J. %8 1977 %U http://rcin.org.pl/dlibra/publication/edition/198250