Working Paper
Das, Ketaki, Monami Roy, M K Das, P N Sahu, S K Bhattacharya, K C Malhotra, B N Mukherjee, and H Walter.
"Study of enzyme polymorphism and haemoglobin patterns amongst sixteen tribal populations of central India (Orissa, Madhya Pradesh, and Maharashtra)." Japanese Journal of Human Genetics 38, no. 3 (1993): 297-313.