Rao, I.K. Ravichandra  <br/><br/>
Quantitative methods for library and information science 
/ by  I.K. Ravichandra  Rao 
 - 1st ed. 
 - New Delhi:  Willey Eastern Limited,  1983 
 - xi,271p. 
<br/><br/><label>ISBN: </label>0852267495 
<br/><br/><label>Dewey Class. No.: </label>020  / RAO/Q