Technical aids to electric- and radionavigation and communications at night on inland waterways of the USSR, [Report read at the International symposium of UNO on economical, technical, organizational and administrative problems of inland water transport, held in Leningrad in Sept. 1968]
английский/Technical aids to electric- and radionavigation and communications at night on inland waterways of the USSR : [Report read at the International symposium of UNO on economical, technical, organizational and administrative problems of inland water transport, held in Leningrad in Sept. 1968] / G. F. Plotko ... ; RSFSR. The Min. of the river fleet.Technical aids to electric- and radionavigation and communications at night on inland waterways of the USSR : [Report read at the International symposium of UNO on economical, technical, organizational and administrative problems of inland water transport, held in Leningrad in Sept. 1968] / G. F. Plotko ....Technical aids to electric- and radionavigation and communications at night on inland waterways of the USSR : [Report read at the International symposium of UNO on economical, technical, organizational and administrative problems of inland water transport, held in Leningrad in Sept. 1968].M./, 1968 ( ). - 1968. - [2], 49 с. : ил. ; 20 см см.Technical aids to electric- and radionavigation and communications at night on inland waterways of the USSR : [Report read at the International symposium of UNO on economical, technical, organizational and administrative problems of inland water transport, held in Leningrad in Sept. 1968]. M., 1968 .
Отпеч. множит. аппаратом.Электронавигационные приборы/Водные пути -- Обстановка предостерегательными токами/Радионавигационные устройства на речном транспорте/nlr_sh1/nlr_sh1/nlr_sh1/Т23-680/698/United Nations International symposium on economical, technical, organizational and administrative problems of inland water transport (; 1968; Leningrad)/
Отпеч. множит. аппаратом.Электронавигационные приборы/Водные пути -- Обстановка предостерегательными токами/Радионавигационные устройства на речном транспорте/nlr_sh1/nlr_sh1/nlr_sh1/Т23-680/698/United Nations International symposium on economical, technical, organizational and administrative problems of inland water transport (; 1968; Leningrad)/