Authors: KARTSEVA EV POTAPOV II CHALOV VI

Citation: Ev. Kartseva et al., ECOLOGY, INFORMATION ENTREPRENEURSHIP, Naucno-tehniceskaa informacia. Seria 1, Organizacia i metodika informacionnoj raboty, (9), 1993, pp. 29-31

Authors: KARTSEVA EV POTAPOV II

Citation: Ev. Kartseva et Ii. Potapov, INTERNATIONAL SEMINAR ON INFOTERRA, Naucno-tehniceskaa informacia. Seria 1, Organizacia i metodika informacionnoj raboty, (4), 1993, pp. 27-30