To 150th Anniversary of F. R. Helmert | Geodesy and cartography

Pictures of history

UDC:

1 Yurkina M.I.

Year:

№:

640

Pages:

59-60

Citation:

Yurkina M.I.,

(1993) To 150th Anniversary of F. R. Helmert. Geodesy and cartography = Geodeziya i Kartografiya, 54(11), pp. 59-60. (In Russian).