Jurgen Fiebig

Types of caprimulgiform birds in the Museum für Naturkunde, Berlin (ZMB)

C. Quaisser, N. Cleere, Jurgen Fiebig, 2005 .

The Great Auk ( Pinguinus impennis ) had two brood patches, not one: confirmation and implications

R. Montgomerie, T. Birkhead, Jurgen Fiebig, 2021, Ibis.