by: Aparupa Dasgupta ,Tripathi,S.K.
by: Laxmi and Mohan
by: Yamaguti, S.
by: Bansal, I.J.S.
by: A.K.Tripathi,S.K. Singh
by: S.K. Singh,Shanmughavel,P.
by: Tiwari, S.C.
by: Basudeb Chakraborti
by: Brown, J.
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by: Chakraborti B.
by: Bhardwaj, A.B.
by: Chandola, A.
by: JOHN, B.
by: Seth, P.K.
by: Vidyarthi, L.P.
by: Srivastava, R.
by: Prasad, M.
by: Gupta R.B
by: Chakraborti,B.
by: J. PRZYLUSKI
by: Padhi, A. K.
by: Makkar, G.C