Chacko,T., et al. "Geochemistry of High-Grade Supracrustal Rocks from the Kerala Khondalite Belt and Adjacent Massif Charnockites, South India." Precambrian Research 55 (1992): 469-489.

Chacko,T., et al. "Geochemistry of High-Grade Supracrustal Rocks from the Kerala Khondalite Belt and Adjacent Massif Charnockites, South India." Precambrian Research 55 (1992): 469-489.