The ‘sadd’ of the upper Nile: its botany compared with that of similar obstructions in Bengal and American waters
Hope, C. W.
Article
1902-09
Annals of botany
16
495--516
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a088886