Synthesis of Brushite Particles in Reverse Microemulsions of the Biosurfactant Surfactin oleh Young-Fo Chang, Hau-Ren Chen, Chien-Cheng Chen, A. Satyanarayana Reddy, Shashi B. Atla, Henry Pai-Heng Cheng, Chien-Yen Chen, Tz-Jiun Lin, Jyoti Prakash Maity