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- [4] ODESSA SCIENTIFIC-ENGINEERING CONFERENCE DEVOTED TO RADIO DAY TELECOMMUNICATIONS AND RADIO ENGINEER-USSR, 1966, (11): : 129 - &
- [6] SCIENTIFIC-ENGINEERING CONFERENCE FOR A COMPLEX WOOD-UTILIZATION AT AGRA 1978 ZELLSTOFF UND PAPIER, 1978, 27 (05): : 211 - 215
- [7] SEVENTH SCIENTIFIC CONFERENCE ON CHEMICAL ENGINEERING AND CHEMICAL EQUIPMENT PRZEMYSL CHEMICZNY, 1973, 52 (02): : 123 - 124
- [8] ALL-UNION SCIENTIFIC-ENGINEERING CONFERENCE ON METHODS OF TREATING METALS WITH ULTRASOUND INDUSTRIAL LABORATORY, 1967, 33 (02): : 315 - &
- [9] 23RD ALL-UNION SCIENTIFIC-ENGINEERING CONFERENCE OF POPOV SOCIETY TELECOMMUNICATIONS AND RADIO ENGINEER-USSR, 1967, (10): : 151 - &