@article{062031761,
title = "Comparison of the Pteridophyte Floras of Southern and Eastern Africa, with Special Reference to High-Altitude Species",
author = "and, W.B., H, G.J.N.. Jacobsen, G.",
year = "1989",
journal = "Bulletin du Jardin Botanique National de Belgique / Bulletin van de National Plantentuin van België",
volume = "59",
number = "3-4",
pages = "261-317",
doi = "10.2307/3668347",
url = "https://eurekamag.com/research/062/031/062031761.php"
}