Ni, H., Chen, Q., Ruan, H., Yang, Y., Li, L., Wu, G., . . . He, G. (2007). Studies on optimization of nitrogen sources for astaxanthin production by Phaffia rhodozyma. Zhejiang University Press.

Ni, Hui, Qi-he Chen, Hui Ruan, Yuan-fan Yang, Li-jun Li, Guang-bin Wu, Yang Hu, and Guo-qing He. Studies On Optimization of Nitrogen Sources for Astaxanthin Production By Phaffia Rhodozyma. Zhejiang University Press, 2007.

Ni, Hui, et al. Studies On Optimization of Nitrogen Sources for Astaxanthin Production By Phaffia Rhodozyma. Zhejiang University Press, 2007.