Ferdinand Kovačević (1838–1913) was a Croatian inventor, engineer, and pioneer in telegraphy who originated from Gospić (actually near Smiljan). He invented the duplex connection of telegraphic transmission, patented in 1876 in Vienna and Budapest.
- "Kovačević, Ferdinand". Croatian Encyclopedia (in Croatian). Zagreb: Miroslav Krleža Institute of Lexicography. 2008. Retrieved 7 March 2016.
- Vesna Dakić; Miroslav Mirković (1999). Ferdinand Kovačević: pionir hrvatske telegrafije (in Croatian). Zagreb: Technical Museum. ISBN 978-953-6568-00-0.
- History of Croatian Science
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