000 00437cam a22001337a 4500
008 180718b1965 xxu||||| |||| 00| 0 eng d
082 _aI5511 Sr38
100 _aSrivastava, A.B.L.
245 _aSuccessive difference covariance statistic
_cby A.B.L. Srivastava and S.C. Sahai
260 _aDelhi
_bNational Council of Educational Research and training
_c1965
300 _a20p
500 _aResearch Report No. II
700 _aSahai, S.C.
999 _c500283
_d500283