TY - `BOOK` AU - Zubov, Vasilij P. TI - Leonardo da Vinci : Vasilij P. Zubov. Transl. from the Russian by David H. Kraus PB - Harvard Univ. Press CY - Cambridge, Mass. PY - 1968 LA - eng SE - XVIII, 335 S. CN - 68 B 2505 AN - UBHD-1059529 ER -