Steel, Robert G.D. <br/><br/>
Principles and procedures of statistics   with  special reference to the biological sciences 
<label>/ by </label> Steel, Robert G.D. 
<label>;</label> Torrie, James H. 
 - New York  McGraw-Hill  1960 
 - xvi, 481p.  23 cm. 
<br/><br/><label>Dewey Class. No.: </label>519  / STE