Birch, Beverly. Guglielmo Marconi / by Beverly Birch. - Ankara : Ilkkaynak, 1996. - 64 p. : ill. col ; 22 cm. - Bilime yön verenler . - Bilime yön verenler . This book is in Turkish. ISBN: 9758030043 Subjects--Personal Names: Marconi, Guglielmo, 1873-1937 --Biography.