1 Tsvetkov V.Ya.
2 Kiryukhin K.S.
Year: 
№: 
732
Pages: 
41-45
Citation:
Tsvetkov V.Ya., 
Kiryukhin K.S., 
(2001) Special Features of the Information Protection in Geoinformatics. Geodesy and cartography = Geodeziya i Kartografiya, 62(7), pp. 41-45. (In Russian).