Dunnill, C., THIRUNAKARAN, R., SIVASHANMUGAMA, A., GOPUKUMAR, S., & et, a. (2008). Phthalic acid assisted nano-sized spinel LiMn2O4 and LiCrxMn2−xO4 (x=0.00–0.40) via sol–gel synthesis and its electrochemical behaviour for use in Li-ion-batteries. Materials Research Bulletin, 43(8-9), pp. 2119-2129. doi:10.1016/j.materresbull.2007.09.021

Dunnill, Charlie, R. THIRUNAKARAN, A. SIVASHANMUGAMA, S. GOPUKUMAR, and al et. "Phthalic Acid Assisted Nano-sized Spinel LiMn2O4 and LiCrxMn2−xO4 (x=0.00–0.40) Via Sol–gel Synthesis and Its Electrochemical Behaviour for Use in Li-ion-batteries." Materials Research Bulletin 43, no. 8-9 (2008): 2119-2129.

Dunnill, Charlie, et al. "Phthalic Acid Assisted Nano-sized Spinel LiMn2O4 and LiCrxMn2−xO4 (x=0.00–0.40) Via Sol–gel Synthesis and Its Electrochemical Behaviour for Use in Li-ion-batteries." Materials Research Bulletin 43.8-9 (2008): 2119-2129.