TY - BOOK AU - Heydenreich, Ludwig H. & others TI - Leonardo : the inventor U1 - 745.2 PY - 1980/// CY - Berkley,P.A,New York,Tokyo etc PB - McGraw Hill Pub. KW - KW - Painters KW - Leonardo, da Vinci, 1452-1519 KW - Engineering KW - Italy KW - Mechanics KW - Military engineering KW - Scientists KW - Inventions KW - Inventors ER -