Spore Morphology and Stomatal Characteristics of some Kenyan Asplenium Species
by Viane R., Van Cotthem W. (1977)
in Ber. Deutsch. Bot. Ges. 90 (1977), 219-239
https://vancotthemwillempublications.wordpress.com/2015/11/24/473/
One of the publications within the framework of the Mt. Kenya Bio-Expedition 1975