J. Kraus e G. Kerbauy, “Formation of Protocorm-like Bodies from Root Apices of Catasetum pileatum (Orchidaceae) Cultivated in vitro. II. Some Non-hormonal Requirements Involved in the Regeneration”, Bol. bot., vol. 13, p. 31–40, jun. 1992, doi: 10.11606/issn.2316-9052.v13i0p31-40.