by Vadawale, S.V., Sreekumar, P., Acharya, Y.B., Shanmugam, M., Banerjee, D., Goswami, J.N., Bhandari, N., Umapathy, C.N., Sharma, M.R., Tyagi, A., Bug, M., Sudhakar, M., Abraham, L.
Published in Advances in space research (15.11.2014)

by Ramakrishna Sharma, M., Nagesh Upadhyaya, Sitarama Murthy, N., Umapathy, C.N., Vasantha, E.
Published in IEEE transactions on nuclear science (01.02.1999)

by Sharma, M.R., Upadhyaya, N., Murthy, N.S., Umapathy, C.N., Sreenivasaiah, K.V.
Published in IEEE transactions on nuclear science (01.12.1993)