Yamamoto, L. Y.; Sorace, M.; Faria, R. T.; Takahashi, L. S.; Schnitzer, J. A. Alternative Substrates to Substitute Xaxim in the Cultivation of the Primary Hybrid Miltonia Regnellii Rchb. F. X Oncidium Concolor Hook. (Orchidaceae). Semina: Ciênc. Agrár. 2009, 30, 1035-1042.