Srivastava, A.B.L. <br/><br/>
Successive difference covariance statistic 
by A.B.L. Srivastava and S.C. Sahai 
 - Delhi  National Council of Educational Research and training  1965 
 - 20p 
<br/><br/> Research Report No. II 
<br/><br/><label>Dewey Class. No.: </label>I5511 Sr38