irscnb_c23709_009a63b_4-part2.pdfVerheyen, R. 1959. Oiseaux fossiles.https://canathist.naturalheritage.be/publications/publications-of-the-institute-of-the-national-parks-of-belgian-congo/exploration-du-parc-national-albert-exploratie-van-het-nationaal-albert-park-mission-zending-j-de-heinzelin-de-braucourt-1950/4-1959-mission-zending-j-heinzelin-de-braucourt-1950/irscnb_c23709_009a63b_4-part2.pdf/viewhttps://canathist.naturalheritage.be/@@site-logo/canahist-logo.jpg
