UDC: 
1 Druzhinin V.P.
Year: 
№: 
623
Pages: 
57-58
Citation:
Druzhinin V.P., 
(1992) About Geodetic Points Protection. Geodesy and cartography = Geodezia i Kartografia, 53(6), pp. 57-58. (In Russian).
Publication History
Published: 20.07.1992

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