Josia Jacob, K. A. Jayaraj, H. Habeeb Rehman, N. Chandramohanakumar, K. K. Balachandran, T. V. Raveendran, Thresiamma Joseph, Maheswari Nair and C. T. Achuthankutty
Chemistry and Ecology 25 ( 2 ): 135 - 149 , 2009