CHENG, S., W. ZHANG, N. SUN, F. XU, L. LI, Y. LIAO, and H. Cheng. “Production of Flavonoids and Terpene Lactones from Optimized Ginkgo Biloba Tissue Culture”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 42, no. 1, June 2014, pp. 88-93, doi:10.15835/nbha4219393.