UDC: 
1 Lurie I.K.
2 Tikunov V.S.
Year: 
№: 
625
Pages: 
56-57
Citation:
Lurie I.K., 
Tikunov V.S., 
(1992) Geographic information systems. Geodesy and cartography = Geodezia i Kartografia, 53(8), pp. 56-57. (In Russian).