Karthikeyan, A.R. Studies on some new complexes of Iron, Cobalt, Nickel and copper - Kochi Dept. of Applied Chemistry, CUSAT 1992 - iv,162p. Thesis (Ph.D) CUSAT 1992Guide : K.K. Mohammed Yusuff Universal Decimal Class. No.: 541.49:[549.261/.281:546.33] / KAR