author = { Nguembou, K. Charlemagne AND Sonké, Bonaventure AND Zapfack, Louis AND Lejoly, Jean },

title = { Les espèces camerounaises du genre Bertiera (Rubiaceae) },

publisher = {National Botanic Garden of Belgium},

isbn = {1374-7886},

year = {2003},

url = { http://slubdd.de/katalog?TN_libero_mab2 }