Studies on history of Geodesy and Cartography in Bulgaria
Намерени книги по заглавие
Bulgaria
Iva Daskalova
Bulgaria
J. Petkoff
Bulgaria
James Pettifer
Bulgaria
Kapka Kassabova
Bulgaria
Mihail Belezhkov, Bisserka Ognianova, Hristo Paounov, Diana Tsolova
Bulgaria
N. Todorov, L. Dinev, L. Melnishki
Bulgaria
Nikolai Todorov, Lyubomir Dinev, Lyuben Melnishki
Bulgaria
Paul Greenwey
Bulgaria
Philip Ward
Bulgaria
Renald Dudley, Willy Mayer
Bulgaria
Reneta Dudley
Bulgaria
Richard Watkins, Christopher Deliso
Bulgaria
Richard Watkins, Tom Masters
Bulgaria
Sinikka Salokorpi
Bulgaria
Stanislav Sivriev