L. W.  Chatrou and Repetur, C. P., ?Preliminary notes on a revision of Letestudoxa, Pseudartabotrys, and the transfer of Pachypodanthium to Duguetia?, in Changing genera. Systematic studies in Neotropical and West African Annonaceae, L. W.  Chatrou, Ed. Utrecht: PhD-thesis, Utrecht University, 1998, pp. 63-81.

L. W.  Chatrou, ?Revision of the Malmea alliance: Malmea and three new, neotropical genera.?, in Changing genera. Systematic studies in Neotropical and West African Annonaceae, L. W.  Chatrou, Ed. Utrecht: PhD-thesis, Utrecht University, 1998, pp. 105-192.

L. W.  Chatrou, Changing genera. Systematic studies in Neotropical and West African Annonaceae. Utrecht: PhD-thesis, Utrecht University, 1998.